{"id":17869,"date":"2024-04-04T00:28:03","date_gmt":"2024-04-04T00:28:03","guid":{"rendered":"https:\/\/soicau5086.minhngocxoso.com\/?p=17869"},"modified":"2024-04-04T00:28:03","modified_gmt":"2024-04-04T00:28:03","slug":"bat-mi-cach-tinh-xac-suat-xo-so-kien-thiet-sieu-chinh-xac","status":"publish","type":"post","link":"https:\/\/dudoanxoso88.com\/bat-mi-cach-tinh-xac-suat-xo-so-kien-thiet-sieu-chinh-xac\/","title":{"rendered":"b\u1eadt m\u00ed c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft si\u00eau ch\u00ednh x\u00e1c"},"content":{"rendered":"\n
X\u1ed5 s\u1ed1 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o may m\u1eafn, kinh nghi\u1ec7m m\u00e0 c\u00f2n ph\u1ea3i d\u1ef1a v\u00e0o m\u1eb9o, th\u1ee7 thu\u1eadt ri\u00eang c\u1ee7a m\u1ed7i ng\u01b0\u1eddi. Ch\u00ednh v\u00ec v\u1eady, n\u1ebfu b\u1ea1n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t x\u1ed5 s\u1ed1 s\u1ebd gi\u00fap m\u00ecnh t\u0103ng kh\u1ea3 n\u0103ng tr\u00fang gi\u1ea3i, thu v\u1ec1 l\u00e3i l\u1edbn. To\u00e0n b\u1ed9 h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c b\u1eadt m\u00ed d\u01b0\u1edbi \u0111\u00e2y, c\u00f9ng t\u00ecm hi\u1ec3u ngay nh\u00e9<\/p>\n\n\n\n
X\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1, x\u1ed5 s\u1ed1 hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh t\u1ef7 l\u1ec7 c\u1ee7a m\u1ed9t con s\u1ed1 s\u1ebd xu\u1ea5t hi\u1ec7n l\u00e0 bao nhi\u00eau ph\u1ea7n tr\u0103m trong c\u00f9ng m\u1ed9t k\u1ef3 quay th\u01b0\u1edfng.<\/p>\n\n\n\n
B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng \u0111a s\u1ed1 nh\u1eefng ng\u01b0\u1eddi t\u1eebng tr\u00fang s\u1ed1 cho bi\u1ebft ch\u1ec9 c\u00f3 kho\u1ea3ng 40% l\u00e0 nh\u1edd v\u00e0o may m\u1eafn, ph\u1ea7n l\u1edbn c\u00f2n l\u1ea1i s\u1ebd d\u1ef1a v\u00e0o s\u1ef1 t\u00ednh to\u00e1n, theo d\u00f5i qua r\u1ea5t nhi\u1ec1u k\u1ef3 quay th\u01b0\u1edfng. \u0110\u1ec3 t\u1eeb \u0111\u00f3, ng\u01b0\u1eddi ch\u01a1i s\u1ebd ch\u1ed1t \u0111\u01b0\u1ee3c m\u1ed9t con s\u1ed1 c\u00f3 kh\u1ea3 n\u0103ng v\u1ec1 cao nh\u1ea5t trong ng\u00e0y h\u00f4m nay.<\/p>\n\n\n\n
Sau \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft 6 s\u1ed1 trong 45:<\/p>\n\n\n\n
X\u00e1c su\u1ea5t tr\u00fang s\u1ed1 th\u1ee9 nh\u1ea5t l\u00e0 6\/45 => (1).<\/p>\n\n\n\n
X\u00e1c su\u1ea5t tr\u00fang s\u1ed1 th\u1ee9 2 sau khi tr\u00fang s\u1ed1 th\u1ee9 nh\u1ea5t l\u00e0 (1) x 5\/44 => (2).<\/p>\n\n\n\n
X\u00e1c su\u1ea5t tr\u00fang s\u1ed1 th\u1ee9 3 sau khi tr\u00fang 2 s\u1ed1 \u0111\u1ea7u l\u00e0 (2) x 4\/43 => (3).<\/p>\n\n\n\n
X\u00e1c su\u1ea5t tr\u00fang s\u1ed1 th\u1ee9 4 sau khi tr\u00fang 3 s\u1ed1 \u0111\u1ea7u l\u00e0 (3) x 3\/42 => (4).<\/p>\n\n\n\n
X\u00e1c su\u1ea5t tr\u00fang s\u1ed1 th\u1ee9 5 sau khi tr\u00fang 4 s\u1ed1 \u0111\u1ea7u l\u00e0 (4) x 2\/41 => (5).<\/p>\n\n\n\n
X\u00e1c su\u1ea5t tr\u00fang s\u1ed1 th\u1ee9 6 sau khi tr\u00fang 5 s\u1ed1 \u0111\u1ea7u l\u00e0 (5) x 1\/40.<\/p>\n\n\n\n
X\u00e1c su\u1ea5t mua 1 t\u1edd v\u00e9 s\u1ed1 6 s\u1ed1 b\u1ea5t k\u1ef3 th\u00ec kh\u1ea3 n\u0103ng tr\u00fang gi\u1ea3i c\u1ee7a ng\u01b0\u1eddi ch\u01a1i s\u1ebd l\u00e0 6\/45 x 5\/44 x 4\/43 x 3\/42 x 2\/41 x 1\/40 = (6x5x4x3x2x1)\/(45x44x43x42x41x40) = 720\/5864443200 = 1\/8145060.<\/p>\n\n\n\n
\u0110\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t 1 con l\u00f4 th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u1ea3i quy n\u00f3 v\u1ec1 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m l\u00e0 100%, sau \u0111\u00f3 s\u1eed d\u1ee5ng c\u00e1c quy lu\u1eadt ch\u01a1i l\u00f4 \u0111\u1ec1 \u0111\u1ec3 t\u00ednh.<\/p>\n\n\n\n
T\u00ednh x\u00e1c su\u1ea5t 1 con l\u00f4 b\u1ea1n c\u1ea7n theo d\u00f5i k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 h\u00e0ng ng\u00e0y v\u00e0 ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 \u0111\u1ec3 \u0111\u01b0a ra \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn nh\u1ea5t.<\/p>\n\n\n\n
X\u00e9t theo quy lu\u1eadt SXMB th\u00ec ch\u00fang ta s\u1ebd c\u00f3 quy\u1ec1n l\u1ef1a ch\u1ecdn 1 trong 100 c\u1eb7p con s\u1ed1 t\u1eeb 00 \u0111\u1ebfn 99. \u0110\u1ec3 c\u00f3 c\u01a1 h\u1ed9i tr\u00fang 27 gi\u1ea3i th\u01b0\u1edfng th\u00ec x\u00e1c su\u1ea5t t\u1ed1i thi\u1ec3u s\u1ebd l\u00e0 27%.<\/p>\n\n\n\n
Tuy nhi\u00ean, x\u00e1c su\u1ea5t khi ch\u01a1i l\u00f4 xi\u00ean 2 ch\u1ec9 r\u01a1i v\u00e0o kho\u1ea3ng 23,76%, \u0111\u00e2y l\u00e0 x\u00e1c su\u1ea5t m\u00e0 2 s\u1ed1 cu\u1ed1i tr\u00f9ng nhau.<\/p>\n\n\n\n