{"id":13443,"date":"2025-06-02T08:31:08","date_gmt":"2025-06-02T01:31:08","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=13443"},"modified":"2025-07-02T12:00:04","modified_gmt":"2025-07-02T05:00:04","slug":"chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/","title":{"rendered":"Chuy\u00ean \u0111\u1ec1 X\u00e1c Su\u1ea5t &#8211; T\u1ed5 H\u1ee3p \u00f4n thi THPT Qu\u1ed1c Gia m\u00f4n To\u00e1n"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Su_ket_hop_xac_suat_trong_cau_truc_cua_ky_thi_toan_cua_truong_trung_hoc_quoc_gia_2024\" >S\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t trong c\u1ea5u tr\u00fac c\u1ee7a k\u1ef3 thi to\u00e1n c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia 2024<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Xem_xet_ly_thuyet_ve_xac_suat_%E2%80%93_ket_hop\" >Xem x\u00e9t l\u00fd thuy\u1ebft v\u1ec1 x\u00e1c su\u1ea5t &#8211; k\u1ebft h\u1ee3p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Quy_tac_bo_sung_%E2%80%93_Quy_tac_NHAN\" >Quy t\u1eafc b\u1ed5 sung &#8211; Quy t\u1eafc NHAN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Hoan_vi_dieu_chinh_ket_hop\" >Ho\u00e1n v\u1ecb, \u0111i\u1ec1u ch\u1ec9nh, k\u1ebft h\u1ee3p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Xac_suat_cua_su_kien\" >X\u00e1c su\u1ea5t c\u1ee7a s\u1ef1 ki\u1ec7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Cac_loai_bai_tap_ket_hop_%E2%80%93_Xac_suat_danh_gia_ky_thi_cua_truong_trung_hoc_quoc_gia\" >C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp k\u1ebft h\u1ee3p &#8211; X\u00e1c su\u1ea5t \u0111\u00e1nh gi\u00e1 k\u1ef3 thi c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Mau_1_Tim_so_luong_hoan_vi_dieu_chinh_ket_hop\" >M\u1eabu 1: T\u00ecm s\u1ed1 l\u01b0\u1ee3ng ho\u00e1n v\u1ecb, \u0111i\u1ec1u ch\u1ec9nh, k\u1ebft h\u1ee3p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Mau_2_Tinh_xac_suat_cua_su_kien\" >M\u1eabu 2: T\u00ednh x\u00e1c su\u1ea5t c\u1ee7a s\u1ef1 ki\u1ec7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Hon_40_bai_tap_ve_cong_suat_cua_ky_thi_truong_trung_hoc_quoc_gia_co_cau_tra_loi\" >H\u01a1n 40 b\u00e0i t\u1eadp v\u1ec1 c\u00f4ng su\u1ea5t c\u1ee7a k\u1ef3 thi tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia (c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Cac_bai_tap_chu_de_voi_su_ket_hop_cua_muc_do_nhan_dang\" >C\u00e1c b\u00e0i t\u1eadp ch\u1ee7 \u0111\u1ec1 v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a m\u1ee9c \u0111\u1ed9 nh\u1eadn d\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Xac_suat_bai_tap_chu_de_ve_muc_do_hieu_biet_ket_hop\" >X\u00e1c su\u1ea5t b\u00e0i t\u1eadp ch\u1ee7 \u0111\u1ec1 v\u1ec1 m\u1ee9c \u0111\u1ed9 hi\u1ec3u bi\u1ebft k\u1ebft h\u1ee3p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Cac_bai_tap_tai_cho_voi_su_ket_hop_xac_suat_thap\" >C\u00e1c b\u00e0i t\u1eadp t\u1ea1i ch\u1ed7 v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t th\u1ea5p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-de-xac-suat-to-hop-on-thi-thpt-quoc-gia-mon-toan\/#Cac_bai_tap_chuyen_nganh_voi_su_ket_hop_xac_suat_cao\" >C\u00e1c b\u00e0i t\u1eadp chuy\u00ean ng\u00e0nh v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t cao<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Trong s\u1ed1 c\u00e1c m\u00f4n to\u00e1n to\u00e1n h\u1ecdc cho k\u1ef3 thi to\u00e1n c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia, x\u00e1c su\u1ea5t &#8211; k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 tr\u1eebu t\u01b0\u1ee3ng v\u00e0 kh\u00f3 kh\u0103n, khi\u1ebfn nhi\u1ec1u h\u1ecdc sinh c\u1ea3m th\u1ea5y hoang mang v\u00e0 lo l\u1eafng. Hi\u1ec3u \u0111i\u1ec1u n\u00e0y, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u0111\u00e3 t\u00f3m t\u1eaft c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn c\u1ea9n th\u1eadn c\u00e1c t\u00e0i li\u1ec7u \u0111\u00e1nh gi\u00e1 \u0111\u1ec3 chia s\u1ebb ngay trong b\u00e0i vi\u1ebft sau.<\/p>\n<p>                        Xem t\u1ea5t c\u1ea3<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_ket_hop_xac_suat_trong_cau_truc_cua_ky_thi_toan_cua_truong_trung_hoc_quoc_gia_2024\"><\/span>S\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t trong c\u1ea5u tr\u00fac c\u1ee7a k\u1ef3 thi to\u00e1n c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia 2024<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u1ea5u tr\u00fac c\u1ee7a k\u1ef3 thi to\u00e1n qu\u1ed1c gia cho tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia 2024 bao g\u1ed3m 50 c\u00e2u h\u1ecfi, 45 c\u00e2u thu\u1ed9c v\u1ec1 l\u1edbp 12 v\u00e0 5 c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn l\u1edbp 11. Trong \u0111\u00f3, ch\u1ee7 \u0111\u1ec1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t chi\u1ebfm 2 c\u00e2u h\u1ecfi trong s\u1ed1 50 c\u00e2u h\u1ecfi v\u00e0 m\u1ee9c \u0111\u1ed9 kh\u00f3 trung b\u00ecnh <em>(Bao g\u1ed3m: 1 c\u00e2u hi\u1ec3u v\u00e0 1 c\u00e2u)<\/em>. Do \u0111\u00f3, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ed1 \u0111i\u1ec3m to\u00e1n h\u1ecdc cao, c\u00e1c \u1ee9ng vi\u00ean kh\u00f4ng n\u00ean ch\u1ee7 quan m\u00e0 b\u1ecf qua s\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Xem_xet_ly_thuyet_ve_xac_suat_%E2%80%93_ket_hop\"><\/span>Xem x\u00e9t l\u00fd thuy\u1ebft v\u1ec1 x\u00e1c su\u1ea5t &#8211; k\u1ebft h\u1ee3p <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a b\u1ea3n t\u00f3m t\u1eaft l\u00fd thuy\u1ebft v\u1ec1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t thi \u0111\u1ea1i h\u1ecdc.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Quy_tac_bo_sung_%E2%80%93_Quy_tac_NHAN\"><\/span>Quy t\u1eafc b\u1ed5 sung &#8211; Quy t\u1eafc NHAN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Quy t\u1eafc c\u1ed9ng l\u00e0 g\u00ec? M\u1ed9t c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh b\u1edfi m\u1ed9t trong hai h\u00e0nh \u0111\u1ed9ng. N\u1ebfu h\u00e0nh \u0111\u1ed9ng n\u00e0y c\u00f3 hi\u1ec7u su\u1ea5t m, h\u00e0nh \u0111\u1ed9ng kh\u00e1c c\u00f3 n c\u00e1ch th\u1ef1c hi\u1ec7n kh\u00f4ng tr\u00f9ng v\u1edbi b\u1ea5t k\u1ef3 c\u00e1ch n\u00e0o c\u1ee7a h\u00e0nh \u0111\u1ed9ng \u0111\u1ea7u ti\u00ean, th\u00ec c\u00f4ng vi\u1ec7c \u0111\u00f3 c\u00f3 m + n l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 th\u1ef1c hi\u1ec7n.<\/p>\n<p dir=\"ltr\">Quy t\u1eafc nh\u00e2n l\u00e0 g\u00ec? M\u1ed9t c\u00f4ng vi\u1ec7c b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi hai h\u00e0nh \u0111\u1ed9ng li\u00ean ti\u1ebfp. N\u1ebfu c\u00f3 m l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng \u0111\u1ea7u ti\u00ean v\u00e0 t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng c\u00e1ch \u0111\u00f3, c\u00f3 n c\u00e1ch \u0111\u1ec3 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng th\u1ee9 hai, c\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoan_vi_dieu_chinh_ket_hop\"><\/span>Ho\u00e1n v\u1ecb, \u0111i\u1ec1u ch\u1ec9nh, k\u1ebft h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">1.<\/p>\n<p dir=\"ltr\">\u0110\u1ecbnh ngh\u0129a: Cho m\u1ed9t t\u1eadp h\u1ee3p bao g\u1ed3m c\u00e1c ph\u1ea7n t\u1eed N (n 1). M\u1ed7i k\u1ebft qu\u1ea3 c\u1ee7a ph\u1ea7n t\u1eed n s\u1eafp x\u1ebfp t\u1eadp A \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ho\u00e1n v\u1ecb c\u1ee7a y\u1ebfu t\u1ed1 \u0111\u00f3.<\/p>\n<p dir=\"ltr\">\u0110\u1ecbnh l\u00fd: pn = n (n &#8211; 1) &#8230; 2.1 = n!<\/p>\n<p dir=\"ltr\">C\u00f4ng \u01b0\u1edbc: 0! = 1<\/p>\n<p dir=\"ltr\">2. \u0110i\u1ec1u ch\u1ec9nh ph\u00f9 h\u1ee3p<\/p>\n<p dir=\"ltr\">\u0110\u1ecbnh ngh\u0129a: Cung c\u1ea5p cho t\u1eadp h\u1ee3p bao g\u1ed3m c\u00e1c ph\u1ea7n t\u1eed n (n 1). K\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c nh\u1eadn k c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau t\u1eeb c\u00e1c y\u1ebfu t\u1ed1 N c\u1ee7a t\u1eadp A v\u00e0 s\u1eafp x\u1ebfp ch\u00fang theo m\u1ed9t chu\u1ed7i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec1u ch\u1ec9nh li\u00ean h\u1ee3p c\u1ee7a gent.<\/p>\n<p dir=\"ltr\">\u0110\u1ecbnh l\u00fd: <\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/1-chuyen-de-xac-suat.png\" alt=\"\" width=\"400\" height=\"73\"><\/p>\n<p dir=\"ltr\">3. K\u1ebft h\u1ee3p<\/p>\n<p dir=\"ltr\">\u0110\u1ecbnh ngh\u0129a: Gi\u1ea3 s\u1eed \u0111\u1eb7t A c\u00f3 n ph\u1ea7n t\u1eed n (n \u2265 1). M\u1ed7i ph\u1ee5 bao g\u1ed3m c\u00e1c y\u1ebfu t\u1ed1 k c\u1ee7a m\u1ed9t s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa qu\u00fd \u00f4ng.<\/p>\n<p dir=\"ltr\">\u0110\u1ecbnh l\u00fd: <\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2-chuyen-de-xac-suat.png\" alt=\"\" width=\"250\" height=\"83\"><\/p>\n<p dir=\"ltr\">Thi\u00ean nhi\u00ean: <\/p>\n<ul>\n<li dir=\"ltr\">Cho c\u00e1c s\u1ed1 nguy\u00ean d\u01b0\u01a1ng n v\u00e0 s\u1ed1 nguy\u00ean k v\u1edbi 0 \u2a7d k n. Sau \u0111\u00f3: <\/li>\n<li dir=\"ltr\">Cho c\u00e1c s\u1ed1 nguy\u00ean d\u01b0\u01a1ng N v\u00e0 s\u1ed1 nguy\u00ean k v\u1edbi 1 \u2a7d k n. Sau \u0111\u00f3: <\/li>\n<\/ul>\n<p dir=\"ltr\">C\u00e1c quy \u01b0\u1edbc: Ph\u1ee9c h\u1ee3p ng\u1eafn c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed N tr\u1ed1ng.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Xac_suat_cua_su_kien\"><\/span>X\u00e1c su\u1ea5t c\u1ee7a s\u1ef1 ki\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Gi\u1ea3 s\u1eed m\u1ed9t kh\u00f4ng gian th\u1eed nghi\u1ec7m bao g\u1ed3m m\u1ed9t k\u1ebft qu\u1ea3 h\u1eefu h\u1ea1n c\u1ee7a k\u1ebft qu\u1ea3 c\u1ee7a c\u00f9ng m\u1ed9t c\u01a1 h\u1ed9i x\u1ea3y ra v\u00e0 A l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n.<\/p>\n<p dir=\"ltr\">X\u00e1c su\u1ea5t c\u1ee7a s\u1ef1 ki\u1ec7n A l\u00e0 m\u1ed9t s\u1ed1, \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng P (A), \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00f4ng th\u1ee9c:<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;text-align: center\">P (a) = n (a) \/ n (\u03a9) = | \u03c9a | \/ | \u03a9 |<\/p>\n<p dir=\"ltr\">Trong \u0111\u00f3: n (a) v\u00e0 n (\u03c9) l\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp A v\u00e0, t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p dir=\"ltr\">Ghi ch\u00fa: <\/p>\n<ul>\n<li dir=\"ltr\">0 p (a) 1.<\/li>\n<li dir=\"ltr\">P (\u03c9) = 1, p (\u2205) = 0.<\/li>\n<li dir=\"ltr\">H\u00e3y l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n. V\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, s\u1ef1 ki\u1ec7n &#8220;kh\u00f4ng x\u1ea3y ra&#8221;, bi\u1ec3u th\u1ecb \u0101, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ef1 ki\u1ec7n ng\u01b0\u1ee3c l\u1ea1i c\u1ee7a A. v\u1edbi \u0101 = \u03c9  a; P (\u0101) + p (a) = 1 p (\u0101) = 1 &#8211; p (a).<\/li>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/3-chuyen-de-xac-suat.png\" alt=\"Xem l\u1ea1i l\u00fd thuy\u1ebft v\u1ec1 x\u00e1c su\u1ea5t - k\u1ebft h\u1ee3p. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_loai_bai_tap_ket_hop_%E2%80%93_Xac_suat_danh_gia_ky_thi_cua_truong_trung_hoc_quoc_gia\"><\/span>C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp k\u1ebft h\u1ee3p &#8211; X\u00e1c su\u1ea5t \u0111\u00e1nh gi\u00e1 k\u1ef3 thi c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Do \u0111\u00f3, sau khi hi\u1ec3u l\u00fd thuy\u1ebft v\u1ec1 s\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t, c\u00e1c \u1ee9ng c\u1eed vi\u00ean c\u1ea7n ph\u1ea3i th\u1ef1c h\u00e0nh th\u00e0nh th\u1ea1o d\u01b0\u1edbi hai h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc quan tr\u1ecdng trong vi\u1ec7c chu\u1ea9n b\u1ecb k\u1ef3 thi c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia nh\u01b0 sau:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_1_Tim_so_luong_hoan_vi_dieu_chinh_ket_hop\"><\/span>M\u1eabu 1: T\u00ecm s\u1ed1 l\u01b0\u1ee3ng ho\u00e1n v\u1ecb, \u0111i\u1ec1u ch\u1ec9nh, k\u1ebft h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\">V\u00ed d\u1ee5 1: \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 m m c\u00f3 10 ph\u1ea7n t\u1eed. S\u1ed1 l\u01b0\u1ee3ng ph\u1ee5 bao g\u1ed3m hai ph\u1ea7n c\u1ee7a m l\u00e0 bao nhi\u00eau? <\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>M\u1ed7i c\u00e1ch \u0111\u1ec3 lo\u1ea1i b\u1ecf 2 ph\u1ea7n t\u1eed trong 10 ph\u1ea7n t\u1eed c\u1ee7a M \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t ph\u1ee5 bao g\u1ed3m 2 ph\u1ea7n t\u1eed l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a 2 tr\u00ean 10 ph\u1ea7n t\u1eed \u21d2 S\u1ed1 l\u01b0\u1ee3ng ph\u1ee5 c\u1ee7a M bao g\u1ed3m 2 ph\u1ea7n t\u1eed C102.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\">V\u00ed d\u1ee5 2: M\u1ed9t nh\u00f3m c\u00f3 7 sinh vi\u00ean nam v\u00e0 5 sinh vi\u00ean n\u1eef. C\u00f3 bao nhi\u00eau c\u00e1ch \u0111\u1ec3 ch\u1ecdn 6 sinh vi\u00ean, bao g\u1ed3m 2 sinh vi\u00ean n\u1eef?<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4\"><em>Ch\u1ecdn 6 sinh vi\u00ean, bao g\u1ed3m 2 sinh vi\u00ean n\u1eef, v\u00ec v\u1eady c\u00f3 4 sinh vi\u00ean nam. V\u00ec v\u1eady, s\u1ed1 l\u01b0\u1ee3ng t\u00f9y ch\u1ecdn l\u00e0: C74.c52 = 350.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_2_Tinh_xac_suat_cua_su_kien\"><\/span>M\u1eabu 2: T\u00ednh x\u00e1c su\u1ea5t c\u1ee7a s\u1ef1 ki\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\">V\u00ed d\u1ee5 1: M\u1ed9t ph\u00e1i \u0111o\u00e0n bao g\u1ed3m 5 ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ch\u1ecdn t\u1eeb m\u1ed9t nh\u00f3m 8 nam v\u00e0 7 n\u1eef \u0111\u1ec3 tham d\u1ef1 h\u1ed9i ngh\u1ecb. X\u00e1c su\u1ea5t ch\u1ecdn ph\u00e1i \u0111o\u00e0n ch\u00ednh x\u00e1c l\u00e0 2 ph\u1ee5 n\u1eef?<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>S\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a kh\u00f4ng gian m\u1eabu: N (\u03c9) = C155.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>G\u1ecdi s\u1ef1 ki\u1ec7n l\u00e0 &#8220;ch\u1ecdn m\u1ed9t ph\u00e1i \u0111o\u00e0n v\u1edbi hai ng\u01b0\u1eddi ph\u1ee5 n\u1eef&#8221;.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>\u21d2 N (a) = C72.c83.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>V\u00ec v\u1eady, x\u00e1c su\u1ea5t t\u00ecm th\u1ea5y l\u00e0 p (a) = n (a) \/ n (\u03c9) = 56\/143.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\">V\u00ed d\u1ee5 2: M\u1ed9t h\u1ed9p 5 qu\u1ea3 b\u00f3ng \u0111\u1ecf, 4 qu\u1ea3 b\u00f3ng m\u00e0u xanh. L\u1ea5y 3 qu\u1ea3 b\u00f3ng ng\u1eabu nhi\u00ean t\u1eeb h\u1ed9p \u0111\u00f3. T\u00ednh x\u00e1c su\u1ea5t nh\u1eadn \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t 1 m\u00e1y t\u00ednh b\u1ea3ng m\u00e0u \u0111\u1ecf.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>L\u1ea5y 3 qu\u1ea3 b\u00f3ng t\u1eeb 5 + 4 = 9 qu\u1ea3 b\u00f3ng v\u1edbi C93.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>L\u1ea5y 1 qu\u1ea3 b\u00f3ng \u0111\u1ecf v\u00e0 2 qu\u1ea3 b\u00f3ng m\u00e0u xanh v\u1edbi C51.C42.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>L\u1ea5y 2 qu\u1ea3 b\u00f3ng \u0111\u1ecf v\u00e0 1 qu\u1ea3 b\u00f3ng m\u00e0u xanh v\u1edbi C52.c41.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4;margin-top: 0pt;margin-bottom: 10pt\"><em>L\u1ea5y 3 qu\u1ea3 b\u00f3ng m\u00e0u \u0111\u1ecf v\u1edbi C53.<\/em><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.4\"><em><\/em><\/p>\n<p dir=\"ltr\" style=\"margin-top: 0pt;margin-bottom: 10pt;line-height: 1.4\"><em>V\u00ec v\u1eady, x\u00e1c su\u1ea5t t\u00ecm th\u1ea5y l\u00e0 [C51.C42 + C52.C41 + C53] \/ C93 = 20\/21.<\/em><\/p>\n<p dir=\"ltr\" style=\"margin-top: 0pt;margin-bottom: 10pt;line-height: 1.4\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hon_40_bai_tap_ve_cong_suat_cua_ky_thi_truong_trung_hoc_quoc_gia_co_cau_tra_loi\"><\/span>H\u01a1n 40 b\u00e0i t\u1eadp v\u1ec1 c\u00f4ng su\u1ea5t c\u1ee7a k\u1ef3 thi tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia (c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Tham kh\u1ea3o m\u1ed9t s\u1ed1 lo\u1ea1i b\u00e0i t\u1eadp x\u00e1c su\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 k\u1ef3 thi c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia \u1edf m\u1ed7i c\u1ea5p \u0111\u1ed9 t\u1eeb d\u1ec5 d\u00e0ng \u0111\u1ebfn n\u00e2ng cao b\u1eb1ng kh\u1ec9 t\u1ed5ng h\u1ee3p v\u00e0 \u0111\u01b0\u1ee3c ch\u1ecdn ngay b\u00ean d\u01b0\u1edbi!<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_bai_tap_chu_de_voi_su_ket_hop_cua_muc_do_nhan_dang\"><\/span>C\u00e1c b\u00e0i t\u1eadp ch\u1ee7 \u0111\u1ec1 v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a m\u1ee9c \u0111\u1ed9 nh\u1eadn d\u1ea1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/4-chuyen-de-xac-suat.png\" alt=\"\" width=\"100%\"><\/p>\n<table style=\"border-collapse: collapse;width: 100%;height: 163.172px\">\n<tr style=\"height: 54.3906px\">\n<td style=\"height: 54.3906px;background-color: #ee202e;text-align: center;border: 0.5px solid #4e4c50\" colspan=\"10\">\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 54.3906px\">\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">1<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">2<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">3<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">4<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">5<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">6<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">7<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">8<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">9<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">10<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 54.3906px\">\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">B<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">B<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">B<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"height: 54.3906px;background-color: #fff4f5;text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">B<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Xac_suat_bai_tap_chu_de_ve_muc_do_hieu_biet_ket_hop\"><\/span>X\u00e1c su\u1ea5t b\u00e0i t\u1eadp ch\u1ee7 \u0111\u1ec1 v\u1ec1 m\u1ee9c \u0111\u1ed9 hi\u1ec3u bi\u1ebft k\u1ebft h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/5-chuyen-de-xac-suat.png\" alt=\"\" width=\"100%\"><\/p>\n<table style=\"border-collapse: collapse;width: 100%\">\n<tr>\n<td style=\"background-color: #ee202e;text-align: center;border: 0.5px solid #4e4c50\" colspan=\"10\">\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">1<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">2<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">3<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">4<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">5<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">6<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">7<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">8<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">9<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">B<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_bai_tap_tai_cho_voi_su_ket_hop_xac_suat_thap\"><\/span>C\u00e1c b\u00e0i t\u1eadp t\u1ea1i ch\u1ed7 v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t th\u1ea5p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/6-chuyen-de-xac-suat.png\" alt=\"\" width=\"100%\"><\/p>\n<table style=\"border-collapse: collapse;width: 100%;height: 163.172px\">\n<tr style=\"height: 54.3906px\">\n<td style=\"background-color: #ee202e;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\" colspan=\"10\">\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 54.3906px\">\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">1<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">2<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">3<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">4<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">5<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">6<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">7<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">8<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">9<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">10<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 54.3906px\">\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">B<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"text-align: center;background-color: #fff4f5;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_bai_tap_chuyen_nganh_voi_su_ket_hop_xac_suat_cao\"><\/span>C\u00e1c b\u00e0i t\u1eadp chuy\u00ean ng\u00e0nh v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/7-chuyen-de-xac-suat.png\" alt=\"\" width=\"100%\"><\/p>\n<table style=\"border-collapse: collapse;width: 100%;height: 163.172px\" border=\"0.5px\">\n<tr style=\"height: 54.3906px\">\n<td style=\"background-color: #ee202e;height: 54.3906px;text-align: center;border: 0.5px solid #4e4c50\" colspan=\"10\">\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 54.3906px\">\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">1<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">2<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">3<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">4<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">5<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">6<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">7<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">8<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">9<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">10<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 54.3906px\">\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">C<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">D<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">M\u1ed8T<\/p>\n<\/td>\n<td style=\"background-color: #fff4f5;text-align: center;height: 54.3906px;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">B<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p>Xem th\u00eam:<\/p>\n<ol>\n<li>Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math &#8211; \u1ee8ng d\u1ee5ng to\u00e1n h\u1ecdc b\u1eb1ng ti\u1ebfng Anh s\u1ed1 1 cho tr\u1ebb m\u1eabu gi\u00e1o &amp; tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc<\/li>\n<li>Xem l\u1ea1i s\u1ed1 l\u01b0\u1ee3ng s\u1ed1 m\u0169 trong k\u1ef3 thi to\u00e1n h\u1ecdc trung h\u1ecdc qu\u1ed1c gia<\/li>\n<\/ol>\n<p dir=\"ltr\">V\u1edbi ki\u1ebfn \u200b\u200bth\u1ee9c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp \u0111\u01b0\u1ee3c chia s\u1ebb trong b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng c\u00e1c h\u1ecdc sinh c\u00f3 s\u1ef1 t\u1ef1 tin v\u00e0 \u0111\u1ed9ng l\u1ef1c h\u01a1n \u0111\u1ec3 chinh ph\u1ee5c x\u00e1c su\u1ea5t &#8211; k\u1ebft h\u1ee3p trong k\u1ef3 thi to\u00e1n c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia s\u1eafp t\u1edbi. H\u00e3y nh\u1edb r\u1eb1ng, ch\u00eca kh\u00f3a th\u00e0nh c\u00f4ng n\u1eb1m \u1edf n\u1ed7 l\u1ef1c v\u00e0 s\u1ef1 ki\u00ean tr\u00ec c\u1ee7a m\u1ed7i c\u00e1 nh\u00e2n. T\u00f4i ch\u00fac b\u1ea1n h\u1ecdc t\u1eadp hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 cao trong k\u1ef3 thi!<\/p>\n<p>Ngu\u1ed3n: <a href=\"https:\/\/www.ckconitsha.com\/vn\/\">https:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong s\u1ed1 c\u00e1c m\u00f4n to\u00e1n to\u00e1n h\u1ecdc cho k\u1ef3 thi to\u00e1n c\u1ee7a tr\u01b0\u1eddng trung h\u1ecdc qu\u1ed1c gia, x\u00e1c su\u1ea5t &#8211; k\u1ebft h\u1ee3p x\u00e1c su\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 tr\u1eebu t\u01b0\u1ee3ng v\u00e0 kh\u00f3 kh\u0103n, khi\u1ebfn nhi\u1ec1u h\u1ecdc sinh c\u1ea3m th\u1ea5y hoang mang v\u00e0 lo l\u1eafng. Hi\u1ec3u \u0111i\u1ec1u n\u00e0y, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u0111\u00e3&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-13443","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/13443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=13443"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/13443\/revisions"}],"predecessor-version":[{"id":15881,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/13443\/revisions\/15881"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=13443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=13443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=13443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}