{"id":6882,"date":"2021-03-06T04:47:50","date_gmt":"2021-03-06T04:47:50","guid":{"rendered":"https:\/\/\/?p=6882"},"modified":"2021-03-06T04:49:31","modified_gmt":"2021-03-06T04:49:31","slug":"xo-so-va-toan-hoc-co-gi-lien-quan-voi-nhau","status":"publish","type":"post","link":"https:\/\/\/xo-so-va-toan-hoc-co-gi-lien-quan-voi-nhau\/","title":{"rendered":"X\u1ed5 s\u1ed1 v\u00e0 to\u00e1n h\u1ecdc c\u00f3 g\u00ec li\u00ean quan v\u1edbi nhau?"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><em>X\u1ed5 s\u1ed1 v\u00e0 to\u00e1n h\u1ecdc c\u00f3 m\u1ed1i quan h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi nhau v\u00e0 \u0111\u00e3 gi\u00fap Mandel \u2013 nh\u00e0 to\u00e1n h\u1ecdc c\u1ee7a Rumani tr\u00fang 14 l\u1ea7n gi\u1ea3i \u0111\u1ed9c \u0111\u1eafc. V\u1eady c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc trong x\u1ed5 s\u1ed1 n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0 c\u00e1ch th\u1ee9c ra sao?<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><em>H\u00e3y c\u00f9ng l\u1eafng nghe nh\u1eefng ph\u00e2n t\u00edch c\u1ee7a c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u trong b\u00e0i vi\u1ebft sau \u0111\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c c\u00e2u tr\u1ea3 l\u1eddi v\u1ec1 b\u00ed quy\u1ebft ch\u01a1i x\u1ed5 s\u1ed1 nh\u00e9.<\/em><\/span><\/p>\n<div id=\"toc_container\" class=\"toc_light_blue no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=/index.html"#Moi_quan_he_giua_xo_so_va_toan_hoc\"><span class=\"toc_number toc_depth_1\">1<\/span> M\u1ed1i quan h\u1ec7 gi\u1eefa x\u1ed5 s\u1ed1 v\u00e0 to\u00e1n h\u1ecdc<\/a><\/li><li><a href=/index.html"#Bai_toan_tinh_xac_suat_trung_ve_so\"><span class=\"toc_number toc_depth_1\">2<\/span> B\u00e0i to\u00e1n t\u00ednh x\u00e1c su\u1ea5t tr\u00fang v\u00e9 s\u1ed1<\/a><ul><li><a href=/index.html"#1_Soi_cau_xo_so_theo_toan_hoc\"><span class=\"toc_number toc_depth_2\">2.1<\/span> (1) Soi c\u1ea7u x\u1ed5 s\u1ed1 theo to\u00e1n h\u1ecdc<\/a><\/li><li><a href=/index.html"#2_Su_dung_quy_luat_so_lon_trong_xo_so\"><span class=\"toc_number toc_depth_2\">2.2<\/span> (2) S\u1eed d\u1ee5ng quy lu\u1eadt s\u1ed1 l\u1edbn trong x\u1ed5 s\u1ed1<\/a><\/li><li><a href=/index.html"#3_Thuat_toan_du_doan_xo_so_dua_vao_tan_suat\"><span class=\"toc_number toc_depth_2\">2.3<\/span> (3) Thu\u1eadt to\u00e1n d\u1ef1 \u0111o\u00e1n x\u1ed5 s\u1ed1 d\u1ef1a v\u00e0o t\u1ea7n su\u1ea5t<\/a><\/li><li><a href=/index.html"#4_Phuong_phap_choi_cac_so_it_duoc_chon\"><span class=\"toc_number toc_depth_2\">2.4<\/span> (4) Ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i c\u00e1c s\u1ed1 \u00edt \u0111\u01b0\u1ee3c ch\u1ecdn<\/a><\/li><\/ul><\/li><li><a href=/index.html"#Loi_ket\"><span class=\"toc_number toc_depth_1\">3<\/span> L\u1eddi k\u1ebft<\/a><\/li><\/ul><\/div>\n<h2 id=\"ftoc-heading-1\" class=\"ftwp-heading\" style=\"text-align: justify;\"><span id=\"Moi_quan_he_giua_xo_so_va_toan_hoc\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">M\u1ed1i quan h\u1ec7 gi\u1eefa x\u1ed5 s\u1ed1 v\u00e0 to\u00e1n h\u1ecdc<\/span><\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">X\u1ed5 s\u1ed1 l\u00e0 tr\u00f2 ch\u01a1i m\u00e0 t\u1ea5t c\u1ea3 c\u00e1c con s\u1ed1\u00a0<strong>\u0111\u01b0\u1ee3c quay v\u00e0 ch\u1ecdn ng\u1eabu nhi\u00ean<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Tuy nhi\u00ean \u0111\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 ch\u1ee9ng minh \u0111i\u1ec1u ng\u01b0\u1ee3c l\u1ea1i khi\u00a0<strong>v\u1eadn d\u1ee5ng \u201cto\u00e1n h\u1ecdc x\u1ed5 s\u1ed1\u201d \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n chu\u1ea9n x\u00e1c con s\u1ed1<\/strong>\u00a0s\u1ebd xu\u1ea5t hi\u1ec7n trong m\u1ed9t k\u1ef3 m\u1edf th\u01b0\u1edfng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Mandel ch\u00ednh l\u00e0 v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh khi \u0111\u00e3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 v\u00e9 s\u1ed1 \u0111\u1ed9c \u0111\u1eafc t\u1edbi 14 l\u1ea7n v\u00e0 gi\u00e0nh \u0111\u01b0\u1ee3c nh\u1eefng kho\u1ea3n ti\u1ec1n th\u01b0\u1edfng kh\u1ed5ng l\u1ed3.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>Kh\u00f4ng ch\u1ec9 Mandel m\u00e0 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 tin<\/strong>\u00a0r\u1eb1ng x\u1ed5 s\u1ed1 v\u00e0 to\u00e1n h\u1ecdc c\u00f3 m\u1ed1i quan h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi nhau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Nh\u1edd c\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc m\u00e0 ng\u01b0\u1eddi ch\u01a1i bi\u1ebft \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t tr\u00fang s\u1ed1 c\u1ee7a t\u1eebng h\u1ea1ng gi\u1ea3i, t\u1eebng v\u00e9 s\u1ed1 l\u00e0 bao nhi\u00eau \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c ch\u01a1i chu\u1ea9n x\u00e1c nh\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><em><strong>V\u00ed d\u1ee5:<\/strong>\u00a0N\u1ebfu ch\u01a1i 2 s\u1ed1 cu\u1ed1i c\u1ee7a G\u0110B (Gi\u1ea3i \u0110\u1eb7c Bi\u1ec7t) th\u00ec x\u00e1c su\u1ea5t tr\u00fang l\u00e0 1% nh\u01b0ng khi \u0111\u00e1nh t\u1edbi 60 s\u1ed1 th\u00ec l\u00e0 60%, 70 s\u1ed1 l\u00e0 70%\u2026 C\u00e0ng \u0111\u00e1nh nhi\u1ec1u th\u00ec t\u1ef7 l\u1ec7 n\u1ed5 c\u00e0ng l\u1edbn v\u00e0 ng\u01b0\u1eddi ch\u01a1i v\u1eabn c\u00f3 l\u00e3i khi t\u1ef7 l\u1ec7 tr\u1ea3 th\u01b0\u1edfng cao h\u01a1n s\u1ed1 ti\u1ec1n b\u1ecf ra ban \u0111\u1ea7u.<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Ngo\u00e0i vi\u1ec7c bi\u1ebft c\u00e1ch ch\u01a1i n\u00e0o d\u1ec5 tr\u00fang th\u00ec to\u00e1n h\u1ecdc x\u1ed5 s\u1ed1 c\u00f2n t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c c\u00e1c c\u1eb7p \u0111\u00f4i n\u00e0o c\u00f3\u00a0<strong>kh\u1ea3 n\u0103ng n\u1ed5 cao h\u01a1n th\u00f4ng qua c\u00e1ch \u201csoi c\u1ea7u\u201d<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u0110\u00e2y l\u00e0 m\u1ed9t kinh nghi\u1ec7m \u0111\u00e1nh x\u1ed5 s\u1ed1 chu\u1ea9n x\u00e1c, hi\u1ec7u qu\u1ea3 cao m\u00e0 h\u1ea7u h\u1ebft nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea x\u1ed5 s\u1ed1 lu\u00f4n \u00e1p d\u1ee5ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Th\u1ef1c t\u1ebf th\u00ec n\u1ebfu ch\u00fang ta ta ch\u1ec9 tr\u00f4ng ch\u1edd v\u00e0o s\u1ef1 ng\u1eabu nhi\u00ean th\u00ec kh\u1ea3 n\u0103ng chi\u1ebfn th\u1eafng l\u00e0 r\u1ea5t th\u1ea5p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">S\u1eed d\u1ee5ng\u00a0<strong>c\u00e1c thu\u1eadt to\u00e1n t\u00ednh x\u00e1c su\u1ea5t tr\u00fang s\u1ed1<\/strong>\u00a0s\u1ebd gi\u00fap ng\u01b0\u1eddi ch\u01a1i t\u0103ng c\u01a1 h\u1ed9i th\u00e0nh c\u00f4ng v\u00e0 may m\u1eafn tr\u00fang s\u1ed1 \u0111\u1ed9c \u0111\u1eafc t\u1ed1t h\u01a1n.<\/span><\/p>\n<div class=\"wp-block-image\" style=\"text-align: justify;\">\n<figure class=\"aligncenter size-large\"><figcaption><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><em>Ch\u00e2n dung ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng \u00e1p d\u1ee5ng to\u00e1n h\u1ecdc \u0111\u1ec3 tr\u00fang s\u1ed1 14 l\u1ea7n n\u1ed5i ti\u1ebfng kh\u1eafp th\u1ebf gi\u1edbi<\/em><\/span><\/figcaption><\/figure>\n<\/div>\n<h2 id=\"ftoc-heading-2\" class=\"ftwp-heading\" style=\"text-align: justify;\"><span id=\"Bai_toan_tinh_xac_suat_trung_ve_so\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u00e0i to\u00e1n t\u00ednh x\u00e1c su\u1ea5t tr\u00fang v\u00e9 s\u1ed1<\/span><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u0110\u1ec3 gi\u1ea3i th\u00edch c\u00f4ng th\u1ee9c thu\u1eadt to\u00e1n s\u1ed1 \u0111\u1ed9c \u0111\u1eafc th\u00ec ch\u00fang ta n\u00ean d\u1ef1a v\u00e0o nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">M\u1ed7i c\u00e1ch \u0111\u1ec1u gi\u00fap\u00a0<strong>n\u00e2ng cao t\u1ef7 l\u1ec7 tr\u00fang s\u1ed1<\/strong>\u00a0v\u00e0 n\u1ebfu nh\u01b0 k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 s\u1ebd cho hi\u1ec7u qu\u1ea3 t\u1ed1t h\u01a1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch d\u1ef1 \u0111o\u00e1n k\u1ebft qu\u1ea3 d\u1ef1a v\u00e0o x\u1ed5 s\u1ed1 v\u00e0 to\u00e1n h\u1ecdc m\u00e0 c\u00e1c b\u1ea1n kh\u00f4ng n\u00ean b\u1ecf qua.<\/span><\/p>\n<div class=\"wp-block-image\" style=\"text-align: justify;\">\n<figure class=\"aligncenter size-large\"><figcaption><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><em>To\u00e1n h\u1ecdc v\u00e0 x\u1ed5 s\u1ed1 lu\u00f4n c\u00f3 m\u1ed9t m\u1ed1i li\u00ean k\u1ebft r\u00f5 r\u00e0ng<\/em><\/span><\/figcaption><\/figure>\n<\/div>\n<h3 id=\"ftoc-heading-3\" class=\"has-text-align-center has-vivid-purple-color has-text-color ftwp-heading\" style=\"text-align: justify;\"><span id=\"1_Soi_cau_xo_so_theo_toan_hoc\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(1) Soi c\u1ea7u x\u1ed5 s\u1ed1 theo to\u00e1n h\u1ecdc<\/span><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Huy\u1ec1n tho\u1ea1i Mandel \u0111\u00e3 s\u1eed d\u1ee5ng<strong>\u00a0h\u00e0ng ch\u1ee5c m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c v\u1edbi nh\u1eefng ch\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p<\/strong>\u00a0\u0111\u1ec3 t\u1ea1o ra c\u00e1c t\u1ed5 h\u1ee3p s\u1ed1 d\u1ef1 th\u01b0\u1edfng v\u00e0 in h\u00e0ng tri\u1ec7u t\u1ea5m v\u00e9 s\u1ed1.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Tuy nhi\u00ean c\u00e1ch n\u00e0y kh\u00f3 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi x\u1ed5 s\u1ed1 n\u01b0\u1edbc ta b\u1edfi gi\u00e1 tr\u1ecb th\u01b0\u1edfng nh\u1ecf h\u01a1n s\u1ed1 ti\u1ec1n mua v\u00e9 n\u00ean vi\u1ec7c soi c\u1ea7u, t\u00ednh x\u00e1c su\u1ea5t s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Soi c\u1ea7u x\u1ed5 s\u1ed1 hi\u1ec7n nay c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i h\u00ecnh v\u00e9 s\u1ed1 m\u00e0 ch\u00fang ta l\u1ef1a ch\u1ecdn. C\u1ee5 th\u1ec3 l\u00e0:<\/span><\/p>\n<ul class=\"green_tick\" style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>Soi c\u1ea7u theo b\u1ea1c nh\u1edb.<\/strong><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>T\u00ednh s\u1ed1 theo l\u00f4 \u0111\u1ec1 r\u01a1i\/b\u1ec7t<\/strong>.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>B\u1eaft s\u1ed1 theo ch\u1ea1m, t\u1ed5ng<\/strong>.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">S\u1eed d\u1ee5ng c\u00e1c KQXS \u0111\u00e3 n\u1ed5 \u0111\u1ec3 b\u1eaft c\u1ea7u gh\u00e9p.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Ch\u1ecdn s\u1ed1 \u0111\u1eb9p theo c\u00e1c c\u1ea7u ch\u1ea1y li\u00ean t\u1ee5c, c\u1ea7u hi\u1ebfm (<strong>tam gi\u00e1c<\/strong>,\u00a0<strong>qu\u1ea3 tr\u00e1m<\/strong>,\u00a0<strong>c\u1ea7u khuy\u1ebft g\u00f3c<\/strong>).<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>B\u1eaft s\u1ed1 chu\u1ea9n theo d\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i.<\/strong><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Soi c\u1ea7u theo s\u1ed5 m\u01a1, theo gi\u1edd ho\u00e0ng \u0111\u1ea1o\u2026<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">R\u1ea5t nhi\u1ec1u c\u00e1ch tr\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c cho l\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 d\u1ef1 \u0111o\u00e1n cho c\u00e1c con s\u1ed1.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Th\u00eam v\u00e0o \u0111\u00f3 l\u00e0 s\u1eed d\u1ee5ng c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang s\u1ed1 theo ph\u1ea7n m\u1ec1m soi c\u1ea7u t\u1ef1 \u0111\u1ed9ng, \u1ee9ng d\u1ee5ng th\u1ed1ng k\u00ea, ph\u1ea7n m\u1ec1m \u00f4m b\u1ea3ng l\u00f4 \u0111\u1ec1\u2026<\/span><\/p>\n<h3 id=\"ftoc-heading-4\" class=\"has-text-align-center has-vivid-purple-color has-text-color ftwp-heading\" style=\"text-align: justify;\"><span id=\"2_Su_dung_quy_luat_so_lon_trong_xo_so\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(2) S\u1eed d\u1ee5ng quy lu\u1eadt s\u1ed1 l\u1edbn trong x\u1ed5 s\u1ed1<\/span><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Quy lu\u1eadt s\u1ed1 l\u1edbn cho r\u1eb1ng n\u1ebfu ch\u00fang ta th\u01b0\u1eddng xuy\u00ean ch\u01a1i x\u1ed5 s\u1ed1 th\u00ec c\u01a1 h\u1ed9i tr\u00fang c\u00e0ng t\u0103ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Tuy nhi\u00ean \u0111\u1ec3 t\u0103ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3\u00a0<strong>th\u00ec ng\u01b0\u1eddi ch\u01a1i l\u1ea1i c\u1ea7n d\u00e0nh nhi\u1ec1u th\u1eddi gian nghi\u00ean c\u1ee9u ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn s\u1ed1<\/strong>\u00a0ti\u1ec1m n\u0103ng nh\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">L\u00fac n\u00e0y th\u00ec ta c\u1ea7n ph\u1ea3i k\u1ebft h\u1ee3p soi c\u1ea7u s\u1ed1 \u1edf tr\u00ean v\u00e0 t\u1ea1o ra m\u1ed9t l\u1ed1i ch\u01a1i ph\u00f9 h\u1ee3p v\u1edbi m\u00ecnh nh\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">V\u1edbi v\u00ed d\u1ee5 \u0111\u00e1nh 2 s\u1ed1 cu\u1ed1i c\u1ee7a G\u0110B \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch th\u00ec\u00a0<strong>x\u00e1c su\u1ea5t tr\u00fang s\u1ebd t\u0103ng<\/strong>\u00a0n\u1ebfu ch\u00fang ta ch\u01a1i nhi\u1ec1u s\u1ed1, mua nhi\u1ec1u v\u00e9 kh\u00e1c nhau v\u00e0 quy lu\u1eadt s\u1ed1 l\u1edbn c\u0169ng kh\u1eb3ng \u0111\u1ecbnh s\u1ef1 hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c \u0111\u00f3.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Tuy nhi\u00ean\u00a0<strong>ng\u01b0\u1eddi ch\u01a1i c\u1ea7n xoay \u0111\u1ee7 v\u1ed1n \u0111\u1ec3 mua \u0111\u1ee7 s\u1ed1 v\u00e9 c\u1ea7n thi\u1ebft<\/strong>\u00a0th\u00ec vi\u1ec7c tr\u00fang \u0111\u1ed9c \u0111\u1eafc m\u1edbi th\u1ef1c s\u1ef1 th\u00e0nh c\u00f4ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Quy lu\u1eadt s\u1ed1 l\u1edbn theo to\u00e1n h\u1ecdc n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 c\u00e1i \u00e1p d\u1ee5ng v\u00ec n\u1ebfu ng\u01b0\u1eddi ch\u01a1i\u00a0<strong>ch\u1ecdn nu\u00f4i 1 con s\u1ed1 th\u00ec c\u1ea7n r\u1ea5t l\u00e2u ch\u00fang m\u1edbi xu\u1ea5t hi\u1ec7n<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">L\u00fac \u0111\u00f3 s\u1ed1 ti\u1ec1n m\u00e0 h\u1ecd b\u1ecf ra s\u1ebd v\u01b0\u1ee3t qua m\u1ee9c ti\u1ec1n th\u01b0\u1edfng ph\u1ea3i tr\u1ea3 v\u00e0 \u0111\u00e2y l\u00e0 l\u00ed do v\u00ec sao nh\u00e0 c\u00e1i lu\u00f4n th\u1eafng c\u00f2n ng\u01b0\u1eddi ch\u01a1i lu\u00f4n thua.<\/span><\/p>\n<h3 id=\"ftoc-heading-5\" class=\"has-text-align-center has-vivid-purple-color has-text-color ftwp-heading\" style=\"text-align: justify;\"><span id=\"3_Thuat_toan_du_doan_xo_so_dua_vao_tan_suat\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(3) Thu\u1eadt to\u00e1n d\u1ef1 \u0111o\u00e1n x\u1ed5 s\u1ed1 d\u1ef1a v\u00e0o t\u1ea7n su\u1ea5t<\/span><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Theo to\u00e1n h\u1ecdc th\u00ec m\u1ed9t con s\u1ed1 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n s\u1ebd c\u00f3 t\u1ef7 l\u1ec7 th\u1eafng l\u1edbn h\u01a1n c\u00e1c c\u1eb7p kh\u00e1c r\u1ea5t nhi\u1ec1u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><em><strong>V\u00ed d\u1ee5<\/strong>: Trong 100 ng\u00e0y ch\u00fang n\u1ed5 t\u1eeb 5 \u2013 10 l\u1ea7n th\u00ec ngh\u0129a l\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0o s\u1ed1 n\u00e0y s\u1ebd c\u00f3 th\u1ec3 tr\u00fang 5 \u2013 10 l\u1ea7n trong khi c\u00e1c s\u1ed1 kh\u00e1c \u00edt h\u01a1n.<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Ch\u00fang ta c\u1ea7n d\u1ef1a v\u00e0o c\u00e1c th\u1ed1ng k\u00ea \u0111\u1ec3 bi\u1ebft\u00a0<strong>\u0111\u01b0\u1ee3c t\u1ea7n su\u1ea5t xu\u1ea5t hi\u1ec7n c\u1ee7a con s\u1ed1 c\u0169ng nh\u01b0 th\u1eddi \u0111i\u1ec3m g\u1ea7n nh\u1ea5t<\/strong>\u00a0ch\u00fang c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u00e1ch t\u00ednh v\u00f2ng quay x\u1ed5 s\u1ed1 n\u00e0y v\u00f4 c\u00f9ng hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e3 gi\u00fap nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e1nh l\u00f4 \u0111\u1ec1 ng\u00e0y n\u00e0o c\u0169ng tr\u00fang khi n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c quy lu\u1eadt n\u00e0y.<\/span><\/p>\n<h3 id=\"ftoc-heading-6\" class=\"has-text-align-center has-vivid-purple-color has-text-color ftwp-heading\" style=\"text-align: justify;\"><span id=\"4_Phuong_phap_choi_cac_so_it_duoc_chon\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(4) Ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i c\u00e1c s\u1ed1 \u00edt \u0111\u01b0\u1ee3c ch\u1ecdn<\/span><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Theo kinh nghi\u1ec7m c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i th\u00ec c\u00e1c s\u1ed1 n\u00e0o \u0111\u01b0\u1ee3c ch\u1ecdn nhi\u1ec1u th\u00ec kh\u1ea3 n\u0103ng n\u1ed5 c\u00e0ng th\u1ea5p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Ng\u01b0\u1ee3c l\u1ea1i s\u1ed1 n\u00e0o \u00edt ng\u01b0\u1eddi ch\u01a1i th\u00ec\u00a0<strong>c\u01a1 h\u1ed9i chi\u1ebfn th\u1eafng l\u1ea1i t\u0103ng cao<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Gi\u1ea3i th\u00edch n\u00e0y ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n ch\u1ea5t c\u1ee7a x\u1ed5 s\u1ed1 l\u00e0 l\u1ea5y ti\u1ec1n c\u1ee7a \u0111a s\u1ed1 ng\u01b0\u1eddi ch\u01a1i \u0111\u1ec3 tr\u1ea3 cho m\u1ed9t s\u1ed1 \u00edt ng\u01b0\u1eddi th\u1eafng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">N\u00f3i c\u00e1ch kh\u00e1c n\u1ebfu\u00a0<strong>nh\u01b0 nh\u1eefng \u201cs\u1ed1 n\u00f3ng\u201d \u0111\u01b0\u1ee3c ch\u1ecdn nhi\u1ec1u \u0111\u1ec1u n\u1ed5 th\u00ec x\u1ed5 s\u1ed1 kh\u00f4ng c\u00f2n l\u00e0 ng\u00e0nh \u0103n kh\u00e1ch<\/strong>\u00a0v\u00e0 mang l\u1ea1i si\u00eau l\u1ee3i nhu\u1eadn cho nh\u00e0 c\u00e1i, c\u00e1c c\u00f4ng ty x\u1ed5 s\u1ed1 n\u1eefa.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u0110i\u1ec1u n\u00e0y g\u1ea7n nh\u01b0 l\u00e0 kh\u00f4ng t\u01b0\u1edfng v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh t\u00ednh \u0111\u00fang \u0111\u1eafn k\u1ec3 t\u1eeb khi lo\u1ea1i h\u00ecnh n\u00e0y xu\u1ea5t hi\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u0110\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 th\u00ec ch\u00fang ta c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c s\u1ed1 n\u00f3ng n\u00e0y \u0111\u01b0\u1ee3c nh\u00e0 c\u00e1i th\u1ed1ng k\u00ea khi g\u1ea7n s\u00e1t th\u1eddi \u0111i\u1ec3m m\u1edf th\u01b0\u1edfng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch\u00a0<strong>\u00e1p d\u1ee5ng to\u00e1n h\u1ecdc v\u00e0 x\u1ed5 s\u1ed1 n\u00ean l\u1ef1a ch\u1ecdn<\/strong>\u00a0v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 cu\u1ed9c ch\u01a1i.<\/span><\/p>\n<h2 id=\"ftoc-heading-7\" class=\"ftwp-heading\" style=\"text-align: justify;\"><span id=\"Loi_ket\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">L\u1eddi k\u1ebft<\/span><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Qua nh\u1eefng ph\u00e2n t\u00edch tr\u00ean \u0111\u00e2y c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c r\u1eb1ng\u00a0<strong>m\u1ed1i quan h\u1ec7 gi\u1eefa to\u00e1n h\u1ecdc v\u00e0 x\u1ed5 s\u1ed1 r\u1ea5t m\u1eadt thi\u1ebft v\u1edbi nhau<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Ng\u01b0\u1eddi ch\u01a1i n\u00e0o n\u1eafm b\u1eaft v\u00e0 v\u1eadn d\u1ee5ng t\u1ed1t c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y th\u00ec s\u1ebd ki\u1ebfm \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn cao h\u01a1n c\u0169ng nh\u01b0 c\u01a1 h\u1ed9i tr\u1edf th\u00e0nh ng\u01b0\u1eddi tr\u00fang s\u1ed1 \u0111\u1ed9c \u0111\u1eafc.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>X\u1ed5 s\u1ed1 v\u00e0 to\u00e1n h\u1ecdc c\u00f3 m\u1ed1i quan h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi nhau v\u00e0 \u0111\u00e3 gi\u00fap Mandel \u2013 nh\u00e0 to\u00e1n h\u1ecdc c\u1ee7a Rumani tr\u00fang 14 l\u1ea7n gi\u1ea3i \u0111\u1ed9c \u0111\u1eafc. V\u1eady c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc trong x\u1ed5 s\u1ed1 n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0 c\u00e1ch th\u1ee9c ra sao? H\u00e3y c\u00f9ng l\u1eafng nghe nh\u1eefng ph\u00e2n t\u00edch c\u1ee7a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[27],"tags":[],"_links":{"self":[{"href":"https:\/\/\/wp-json\/wp\/v2\/posts\/6882"}],"collection":[{"href":"https:\/\/\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/comments?post=6882"}],"version-history":[{"count":3,"href":"https:\/\/\/wp-json\/wp\/v2\/posts\/6882\/revisions"}],"predecessor-version":[{"id":6885,"href":"https:\/\/\/wp-json\/wp\/v2\/posts\/6882\/revisions\/6885"}],"wp:attachment":[{"href":"https:\/\/\/wp-json\/wp\/v2\/media?parent=6882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/categories?post=6882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/tags?post=6882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}