{"id":17887,"date":"2024-02-29T02:39:54","date_gmt":"2024-02-29T02:39:54","guid":{"rendered":"https:\/\/soicau5105.minhngocxoso.com\/?p=17887"},"modified":"2024-08-23T17:40:53","modified_gmt":"2024-08-23T10:40:53","slug":"cach-tinh-xac-suat-trung-lo-de-don-gian-va-hieu-qua-nhat","status":"publish","type":"post","link":"https:\/\/caulototheothu.com\/cach-tinh-xac-suat-trung-lo-de-don-gian-va-hieu-qua-nhat\/","title":{"rendered":"c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t"},"content":{"rendered":"
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Anh em ch\u01a1i l\u00f4 \u0111\u1ec1 lu\u00f4n th\u1eafc m\u1eafc r\u1eb1ng con l\u00f4 m\u00ecnh \u0111\u00e1nh trong h\u00f4m \u0111\u00f3 c\u00f3 v\u1ec1 hay kh\u00f4ng, x\u00e1c su\u1ea5t v\u1ec1 l\u00e0 bao nhi\u00eau? Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u n\u00e0y, trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho b\u1ea1n v\u1ec1 c\u00f4ng th\u1ee9c t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t, t\u1eeb \u0111\u00f3 gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1ee3c s\u1ed1 ti\u1ec1n \u0111\u1ea7u t\u01b0 v\u00e0 d\u1ec5 d\u00e0ng gi\u00e0nh chi\u1ebfn th\u1eafng. C\u00f9ng t\u00ecm hi\u1ec3u ngay v\u1edbi l\u00f4 gan nh\u00e9<\/p>\n\n\n\n
Vi\u1ec7c n\u1eafm \u0111\u01b0\u1ee3c thu\u1eadt to\u00e1n t\u00ednh l\u00f4 \u0111\u1ec1 s\u1ebd gi\u00fap b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c ng\u00e0y h\u00f4m \u0111\u00f3 s\u1ebd x\u00e1c su\u1ea5t chi\u1ebfn th\u1eafng s\u1ebd l\u00e0 bao nhi\u00eau ph\u1ea7n tr\u0103m. K\u1ebft h\u1ee3p c\u00f9ng ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm ra quy lu\u1eadt x\u1ed5 s\u1ed1 gi\u00fap cho ng\u01b0\u1eddi ch\u01a1i d\u1ec5 v\u00e0o b\u1edd h\u01a1n l\u00e0 ch\u1ec9 bi\u1ebft d\u1ef1a v\u00e0o v\u1eadn may.<\/p>\n\n\n\n
T\u1eeb \u0111\u00f3, b\u1ea1n s\u1ebd bi\u1ebft \u0111\u01b0\u1ee3c trong ng\u00e0y h\u00f4m nay n\u00ean l\u1ef1a ch\u1ecdn chi\u1ebfn thu\u1eadt ch\u01a1i v\u00e0 \u0111\u1ea7u t\u01b0 nh\u01b0 th\u1ebf n\u00e0o. \u0110\u00e1nh nhanh th\u1eafng nhanh hay c\u1ea7n nh\u1eb9 nh\u00e0ng, ki\u00ean nh\u1eabn khi \u00e1p d\u1ee5ng c\u00e1ch ch\u01a1i nu\u00f4i l\u00f4.<\/p>\n\n\n\n
V\u1edbi c\u00e1ch t\u00ednh n\u00e0y, b\u1ea1n ph\u1ea3i chia ra nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, b\u1edfi v\u00ec ch\u01a1i l\u00f4 xi\u00ean l\u00e0 ch\u01a1i c\u00f9ng l\u00fac c\u1ea3 2 con s\u1ed1 n\u00ean b\u1ea1n ph\u1ea3i t\u00ednh x\u00e1c su\u1ea5t cho c\u1ea3 2 con s\u1ed1 \u0111\u00f3. Bao g\u1ed3m 3 tr\u01b0\u1eddng h\u1ee3p: kh\u00f4ng v\u1ec1 c\u1ea3 2 con (tr\u01b0\u1ee3t), v\u1ec1 c\u00f9ng l\u00fac 2 con (tr\u00fang) v\u00e0 ch\u1ec9 v\u1ec1 1 con duy nh\u1ea5t (tr\u01b0\u1ee3t).<\/p>\n\n\n\n
X\u00e1c su\u1ea5t kh\u00f4ng v\u1ec1 c\u1ea3 hai con 98% ^ 27 ~ 57,9%<\/p>\n\n\n\n
X\u00e1c su\u1ea5t ch\u1ec9 v\u1ec1 \u0111\u00fang 1 con 2 x 76,2% x 23,7% ~ 36,1%<\/p>\n\n\n\n
X\u00e1c su\u1ea5t kh\u00f4ng tr\u00fang l\u00f4 xi\u00ean 57,9% + 36,1% ~ 94%<\/p>\n\n\n\n
T\u1eeb \u0111\u00f3, ta suy ra \u0111\u01b0\u1ee3c c\u00f4ng th\u1ee9c chu\u1ea9n tr\u00fang l\u00f4 xi\u00ean 2 b\u1eb1ng 100% \u2013 94% cho ra t\u1ef7 l\u1ec7 ~ 6%.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng 6% l\u00e0 m\u1ed9t t\u1ef7 l\u1ec7 kh\u00f4ng l\u1edbn \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i xi\u00ean 2. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n \u00e1p d\u1ee5ng t\u1ef7 l\u1ec7 ch\u01a1i \u0111\u00e1nh l\u00f4 \u1edf tr\u00ean v\u00e0 h\u1ea1n ch\u1ebf ch\u1ecdn c\u00e1c c\u1eb7p s\u1ed1 \u00edt ra th\u00ec b\u1ea1n v\u1eabn c\u00f3 c\u01a1 h\u1ed9i \u0103n kh\u00e1 cao.<\/p>\n\n\n\n
T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean 2, nh\u01b0ng t\u1ef7 l\u1ec7 tr\u00fang l\u00f4 xi\u00ean 3 l\u1ea1i th\u1ea5p v\u00e0 t\u1ef7 l\u1ec7 c\u01b0\u1ee3c l\u1ea1i cao h\u01a1n r\u1ea5t nhi\u1ec1u. V\u1ec1 c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 3<\/strong> c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u00f4 xi\u00ean 2 nh\u01b0 sau<\/p>\n\n\n\n X\u00e1c su\u1ea5t c\u1ea3 3 con l\u00f4 c\u00f9ng v\u1ec1 l\u00e0 0,97 ^ 27<\/p>\n\n\n\n X\u00e1c su\u1ea5t 1 con l\u00f4 v\u1ec1 3 * 0,2376 * 0,98 ^ 27<\/p>\n\n\n\n X\u00e1c su\u1ea5t 2 con l\u00f4 v\u1ec1 3 * 0,058 * 0,99 ^ 27<\/p>\n\n\n\n Nh\u01b0 v\u1eady x\u00e1c su\u1ea5t tr\u1eadt xi\u00ean 3 l\u00e0 98,51 %, x\u00e1c su\u1ea5t tr\u00fang xi\u00ean 3 l\u00e0 100 % \u2013 98,51 % = 1,49 %.<\/p>\n\n\n\n D\u1ec5 d\u00e0ng th\u1ea5y \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t th\u1eafng l\u00f4 gi\u1ea3m d\u1ea7n t\u1eeb tr\u00fang m\u1ed9t l\u00f4, tr\u00fang 2 l\u00f4, tr\u00fang xi\u00ean 3, ch\u1ee9ng t\u1ecf kh\u1ea3 n\u0103ng th\u1eafng l\u00f4 c\u00e0ng ng\u00e0y c\u00e0ng th\u1ea5p. V\u00e0 \u0111\u00e2y c\u0169ng l\u00e0 l\u00fd do m\u00e0 nh\u1eefng c\u1eb7p xi\u00ean 3 hay xi\u00ean 4 tr\u1ea3 l\u00e3i c\u1ef1c l\u1edbn, c\u00f3 th\u1ec3 n\u00f3i l\u00e0 1 v\u1ed1n h\u01a1n 100 l\u1eddi.<\/p>\n\n\n\n