{"id":18580,"date":"2024-03-02T14:32:08","date_gmt":"2024-03-02T14:32:08","guid":{"rendered":"https:\/\/thayphanso.com\/?p=18580"},"modified":"2024-03-02T14:32:08","modified_gmt":"2024-03-02T14:32:08","slug":"cong-thuc-tinh-xac-suat-trung-lo-de-chinh-xac-nhat","status":"publish","type":"post","link":"https:\/\/soicauchinhxac365.com\/cong-thuc-tinh-xac-suat-trung-lo-de-chinh-xac-nhat\/","title":{"rendered":"C\u00f4ng th\u1ee9c t\u00ednh\u00a0x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1\u00a0ch\u00ednh x\u00e1c nh\u1ea5t"},"content":{"rendered":"
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.\u00a0 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<\/em><\/strong> 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<\/strong>\u00a0nh\u00e9<\/p>\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 xsmb 30 ngay . 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 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 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 X\u00e1c su\u1ea5t kh\u00f4ng v\u1ec1 c\u1ea3 hai con 98% ^ 27 ~ 57,9%<\/p>\n X\u00e1c su\u1ea5t ch\u1ec9 v\u1ec1 \u0111\u00fang 1 con 2 x 76,2% x 23,7%\u00a0 ~ 36,1%<\/p>\n X\u00e1c su\u1ea5t kh\u00f4ng tr\u00fang l\u00f4 xi\u00ean 57,9% + 36,1% ~ 94%<\/p>\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 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 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>\u00a0c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u00f4 xi\u00ean 2 nh\u01b0 sau<\/p>\n X\u00e1c su\u1ea5t c\u1ea3 3 con l\u00f4 c\u00f9ng v\u1ec1 l\u00e0 0,97 ^ 27<\/p>\n X\u00e1c su\u1ea5t 1 con l\u00f4 v\u1ec1\u00a0 3 * 0,2376 * 0,98 ^ 27<\/p>\n X\u00e1c su\u1ea5t 2 con l\u00f4 v\u1ec1 3 * 0,058 * 0,99 ^ 27<\/p>\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 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 <\/p>\n C\u00f4ng th\u1ee9c \u0103n \u0111\u01b0\u1ee3c con l\u00f4 \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau [1 \u2013 [(100 \u2013 n)% m\u0169 27)] x 10 (Trong \u0111\u00f3, n l\u00e0 s\u1ed1 l\u01b0\u1ee3ng con s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0).<\/p>\n V\u00ed d\u1ee5, % \u0103n 1 con l\u00f4 s\u1ebd l\u00e0 [1 \u2013 [(100 \u2013 1)% m\u0169 27)] x 10 = 23,7%.<\/p>\n T\u1eeb c\u00f4ng th\u1ee9c tr\u00ean ch\u00fang ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng suy ra \u0111\u01b0\u1ee3c:<\/p>\n + % tr\u00fang khi ch\u01a1i 2 con l\u00f4 t\u00f4 s\u1ebd l\u00e0 42%<\/p>\n + % tr\u00fang khi ch\u01a1i 3 con l\u00f4 t\u00f4 x\u1ea5p x\u1ec9 s\u1ebd l\u00e0 56%<\/p>\n + % tr\u00fang 4 con l\u00f4 t\u00f4 s\u1ebd r\u01a1i v\u00e0o kho\u1ea3ng 67%<\/p>\n L\u01b0u \u00fd r\u1eb1ng, \u0111\u00e2y l\u00e0 c\u00e1ch t\u00ednh \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u00e0i x\u1ed5 s\u1ed1 Mi\u1ec1n B\u1eafc), c\u00f2n \u0111\u1ed1i v\u1edbi\u00a0XSMN<\/strong>\u00a0v\u00e0\u00a0XSMT<\/strong>\u00a0k\u1ebft qu\u1ea3 n\u00e0y s\u1ebd c\u00f3 ch\u00fat thay \u0111\u1ed5i. B\u1edfi v\u00ec, b\u1ea3ng KQXS m\u1ed7i ng\u00e0y ch\u1ec9 c\u00f3 18 gi\u1ea3i, m\u1ecdi ng\u01b0\u1eddi ch\u1ec9 c\u1ea7n thay \u0111\u1ed5i con s\u1ed1 v\u00e0 \u00e1p d\u1ee5ng theo c\u00f4ng th\u1ee9c tr\u00ean l\u00e0 \u0111\u01b0\u1ee3c r\u1ed3i \u0111\u1ea5y nh\u00e9!<\/p>\n Kh\u00f4ng ph\u1ee9c t\u1ea1p nh\u01b0 c\u00e1ch ch\u01a1i l\u00f4, c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang \u0111\u1ec1 c\u00f3 ph\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n \u0111\u00f4i ch\u00fat. \u0110\u1ed1i v\u1edbi c\u1ea3 3 \u0111\u00e0i x\u1ed5 s\u1ed1, b\u1ea1n ch\u1ec9 c\u1ea7n \u0111o\u00e1n tr\u00fang \u0111\u01b0\u1ee3c 1 trong 100 con s\u1ed1 t\u1eeb 00 \u2013 99 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng. T\u1eeb \u0111\u00e2y, ta c\u00f3 th\u1ec3 suy ra \u0111\u01b0\u1ee3c % \u0103n \u0111\u1ec1 s\u1ebd l\u00e0 1%.<\/p>\n V\u00ec x\u00e1c su\u1ea5t tr\u00fang \u0111\u1ec1 th\u1ea5p h\u01a1n ch\u01a1i l\u00f4 t\u00f4 n\u00ean s\u1ed1 ti\u1ec1n th\u01b0\u1edfng c\u1ee7a th\u1ec3 lo\u1ea1i n\u00e0y c\u0169ng cao h\u01a1n r\u1ea5t nhi\u1ec1u, c\u1ee5 th\u1ec3 \u0111\u00f3 l\u00e0:<\/p>\n + Ch\u1ee7 ghi s\u1ed1 truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng s\u1ebd l\u00e0 1 \u0103n 70 \u2013 80<\/p>\n + M\u1ed9t s\u1ed1 nh\u00e0 c\u00e1i online c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 1 \u0103n 98 \u2013 99<\/p>\n Tr\u00ean \u0111\u00e2y ch\u00fang t\u00f4i \u0111\u00e3 h\u01b0\u1edbng d\u1eabn b\u1ea1n\u00a0c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4<\/strong>\u00a0\u0111\u1ec1 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t. T\u00f3m l\u1ea1i x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, \u00e1p d\u1ee5ng t\u1eeb l\u00e2u v\u00e0 \u0111\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi th\u00e0nh c\u00f4ng. Ch\u00fac b\u1ea1n may m\u1eafn<\/p>\n L\u00d4 \u0110\u1ec0 CHU\u1ea8N NH\u1ea4T H\u00d4M NAY<\/a> – L\u00d4 \u0110\u1ec0 CHU\u1ea8N MI\u1ec4N PH\u00cd<\/a><\/strong><\/p>\nT\u1ea1i sao c\u1ea7n t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1 – x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1\u00a0<\/strong><\/h2>\n
X\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 2 ch\u00ednh x\u00e1c – x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1\u00a0<\/strong><\/h2>\n
T\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 3<\/strong><\/h2>\n
C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 chu\u1ea9n<\/strong><\/h2>\n
C\u00e1ch t\u00ednh t\u1ef7 l\u1ec7 tr\u00fang \u0111\u1ec1<\/strong><\/h2>\n
soi c\u1ea7u mi\u1ec1n b\u1eafc<\/span><\/strong><\/h2>\n