{"id":18486,"date":"2024-04-28T05:24:40","date_gmt":"2024-04-28T05:24:40","guid":{"rendered":"https:\/\/bachthuloxien.com\/?p=18486"},"modified":"2024-04-28T05:24:40","modified_gmt":"2024-04-28T05:24:40","slug":"cach-tinh-xac-suat-lo-de-chinh-xac-hien-nay","status":"publish","type":"post","link":"https:\/\/bachthuloxien.com\/cach-tinh-xac-suat-lo-de-chinh-xac-hien-nay\/","title":{"rendered":"c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c hi\u1ec7n nay"},"content":{"rendered":"
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c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c hi\u1ec7n nay<\/h1>\n<\/header>\n
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L\u00f4 \u0111\u1ec1 l\u00e0 tr\u00f2 ch\u01a1i m\u00e0 kh\u00f4ng ai c\u00f3 th\u1ec3 bi\u1ebft tr\u01b0\u1edbc \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3. Th\u1eed th\u00e1ch cho ng\u01b0\u1eddi chi\u1ebfn th\u1eafng \u1edf cu\u1ed9c ch\u01a1i n\u00e0y l\u00e0 kh\u00f4ng nh\u1ecf. Th\u1ebf nh\u01b0ng ng\u01b0\u1eddi ch\u01a1i c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ed9 th\u00e1ch th\u1ee9c c\u1ee7a l\u00f4 \u0111\u1ec1 khi bi\u1ebft c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1. \u0110\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd nh\u1ea5t. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 v\u00e0 ph\u1ea7n m\u1ec1m t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1.<\/p>\n

T\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 s\u1ebd gi\u00fap anh em t\u0103ng t\u1ef7 l\u1ec7 th\u1eafng l\u00f4. N\u1ebfu \u00e1p d\u1ee5ng \u0111\u00fang th\u00ec c\u00f3 th\u1ec3 v\u1ec1 b\u1edd th\u01b0\u1eddng xuy\u00ean. Chi ti\u1ebft c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 hi\u1ec7u qu\u1ea3 cho c\u00e1c anh em m\u1edbi ch\u01a1i.<\/p>\n

H\u01b0\u1edbng d\u1eabn\u00a0c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c<\/h5>\n
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Bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 s\u1ebd gi\u00fap anh em t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c v\u1ed1n \u0111\u1ea7u t\u01b0 v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n khi ch\u1ed1t s\u1ed1 l\u00f4 \u0111\u1eb9p cho m\u00ecnh. N\u00f3 s\u1ebd gi\u1ea3i quy\u1ebft tr\u0103n tr\u1edf c\u1ee7a nhi\u1ec1u anh em l\u00e0 l\u00e0m s\u1ebd ch\u01a1i l\u00f4 \u0111\u1ec1 m\u00e3i kh\u00f4ng tr\u00fang. N\u1ebfu bi\u1ebft c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t th\u00ec anh em s\u1ebd ph\u1ea3i ti\u00eau t\u1ed1n kh\u00e1 nhi\u1ec1u ti\u1ec1n sau m\u1ed7i k\u1ef3 quay. C\u00e1c chuy\u00ean gia \u0111\u00e3 gi\u1ea3i \u0111\u00e1p c\u00e1c th\u1eafc m\u1eafc v\u1ec1 t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 cho anh em trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n

T\u1ea1i sao n\u00ean bi\u1ebft c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1? C\u00e2u h\u1ecfi n\u00e0y ch\u1eafc ch\u1eafn anh em \u0111\u00e3 c\u00f3 l\u1eddi gi\u1ea3i r\u1ed3i. Khi t\u00ednh \u0111\u01b0\u1ee3c % tr\u00fang m\u1ed7i ng\u00e0y anh em d\u1ec5 d\u00e0ng ch\u1ed1t s\u1ed1. C\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7u t\u01b0 v\u00e0 xu\u1ed1ng ti\u1ec1n hi\u1ec7u qu\u1ea3 h\u01a1n. Kh\u00f4ng ch\u1ec9 ri\u00eang l\u00f4 \u0111\u1ec1 m\u00e0 h\u1ea7u h\u1ebft c\u00e1c tr\u00f2 ch\u01a1i \u0111\u1ec1u ph\u1ea3i t\u00ednh x\u00e1c su\u1ea5t \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 ph\u00f9 h\u1ee3p.<\/p>\n

C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 chu\u1ea9n nh\u1ea5t<\/h3>\n

T\u1ef7 l\u1ec7 tr\u00fang \u0111\u1ec3 ch\u1ec9 l\u00e0 1% khi \u0111\u00e1nh 1 con v\u00ec s\u1ed1 \u0111\u1ec1 ch\u1ec9 v\u1ec1 trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. N\u00ean anh em \u0111\u00e1nh nhi\u1ec1u s\u1ed1 th\u00ec s\u1ebd t\u0103ng kh\u1ea3 n\u0103ng tr\u00fang s\u1ed1.<\/p>\n

C\u00f2n \u0111\u1ed1i v\u1edbi l\u00f4 th\u00ec t\u1ef7 l\u1ec7 v\u1ec1 s\u1ebd cao h\u01a1n v\u00ec XSMB s\u1ebd c\u00f3 27 gi\u1ea3i l\u00f4, XSMN v\u00e0 XSMT l\u00e0 18 gi\u1ea3i. V\u00ec v\u1eady v\u1edbi gi\u1ea3i XSMB th\u00ec khi \u0111\u00e1nh 1 con s\u1ebd c\u00f3 x\u00e1c su\u1ea5t tr\u00fang l\u00e0 23%, \u0111\u00e1nh 3 con l\u00f4 th\u00ec s\u1ebd l\u00e0 242%. Anh em ph\u1ea3i ch\u00fa \u00fd n\u1ebfu xu\u1ea5t hi\u1ec7n c\u00e1c c\u1eb7p l\u00f4 nhi\u1ec1u nh\u00e1y th\u00ec t\u1ef7 l\u1ec7 n\u00e0y c\u00e0ng gi\u1ea3m. Tuy nhi\u00ean n\u1ebfu \u0111en th\u00ec anh em \u0111\u00e1nh 5 con l\u00f4 c\u0169ng v\u1eabn g\u00e3y c\u1ea7u.<\/p>\n

X\u00e1c su\u1ea5t tr\u00ean l\u00e0 d\u00e0nh cho l\u00f4 \u0111\u1ec1 2D, n\u1ebfu ch\u01a1i 3 c\u00e0ng th\u00ec t\u1ef7 l\u1ec7 n\u00e0y s\u1ebd r\u1ea5t th\u1ea5p. Kh\u1ea3 n\u0103ng tr\u00fang l\u00f4 xi\u00ean 2, 3, 4 c\u0169ng kh\u00f4ng cao.<\/p>\n

V\u1edbi x\u00e1c su\u1ea5t n\u00e0y th\u00ec nu\u00f4i \u0111\u1ec1 d\u00e0n s\u1ebd c\u00f3 ph\u1ea7n tr\u0103m tr\u00fang cao h\u01a1n. Nhi\u1ec1u anh em nu\u00f4i d\u00e0n \u0111\u1ec1 90 s\u1ed1 v\u1eabn c\u00f3 l\u00e3i khi \u0111\u1ec1 v\u1ec1 v\u00ec t\u1ef7 l\u1ec7 tr\u1ea3 th\u01b0\u1edfng c\u00f3 th\u1ec3 l\u00ean t\u1edbi 1 \u0103n 99. Tuy nhi\u00ean n\u1ebfu g\u1eb7p v\u1eadn \u0111en th\u00ec thua l\u1ed7 c\u0169ng r\u1ea5t nhi\u1ec1u n\u00ean anh em h\u00e3y c\u00e2n nh\u1eafc khi \u0111\u1eb7t c\u01b0\u1ee3c nh\u00e9.<\/p>\n

B\u00ed k\u00edp t\u0103ng x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1<\/h3>\n

D\u00f9 kh\u1ea3 n\u0103ng tr\u00fang l\u00f4 \u0111\u1ec1 r\u1ea5t th\u1ea5p nh\u01b0ng v\u1eabn c\u00f3 nhi\u1ec1u anh em tham gia b\u1ed9 m\u00f4n n\u00e0y. V\u1eady c\u00f3 b\u00ed k\u00edp g\u00ec \u0111\u1ec3 h\u1ecd t\u0103ng x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1? Anh em h\u00e3y tham kh\u1ea3o c\u00e1c c\u00e1ch sau \u0111\u00e2y:<\/p>\n

\"<\/p>\n

T\u1eadp trung soi c\u1ea7u, h\u1ecdc h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u chu\u1ea9n t\u1eeb nh\u1eefng tay l\u00e3o luy\u1ec7n. Soi c\u1ea7u c\u00e0ng chu\u1ea9n th\u00ec kh\u1ea3 n\u0103ng tr\u00fang c\u00e0ng cao. \u0110\u1ea7u t\u01b0 nhi\u1ec1u th\u1eddi gian soi c\u1ea7u th\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u00e0ng l\u1edbn. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u hi\u1ec7n nay l\u00e0 soi c\u1ea7u b\u1ea1c nh\u1edb, \u0111\u1ea7u c\u00e2m \u0111u\u00f4i c\u00e2m, l\u00f4 r\u01a1i, soi c\u1ea7u tam gi\u00e1c,\u2026 C\u00e0ng n\u1eafm \u0111\u01b0\u1ee3c nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u. Bi\u1ebft c\u00e1ch k\u1ebft h\u1ee3p th\u00ec kh\u1ea3 n\u0103ng b\u1eaft \u0111\u01b0\u1ee3c con l\u00f4 \u0111\u1eb9p c\u00e0ng cao.<\/p>\n

Ch\u1ecdn ch\u01a1i c\u00e1c c\u00e1ch \u0111\u00e1nh l\u00e0 th\u1ebf m\u1ea1nh c\u1ee7a m\u00ecnh. \u0110\u00e1nh l\u00f4, \u0111\u1ec1, l\u00f4 xi\u00ean, \u0111\u00e1nh 3 c\u00e0ng, l\u00f4 tr\u01b0\u1ee3t, \u2026 Anh em t\u1ef1 tin v\u00e0 nhi\u1ec1u kinh nghi\u1ec7m \u1edf m\u1ea3ng n\u00e0o th\u00ec n\u00ean ch\u01a1i nhi\u1ec1u c\u00e1ch \u0111\u00f3. N\u1ebfu ch\u01a1i d\u00e0n tr\u1ea3i, kh\u00f4ng t\u1eadp trung v\u00e0o m\u1ed9t m\u1ea3ng c\u1ee5 th\u1ec3 th\u00ec s\u1ebd ph\u00e2n t\u00e1n t\u01b0 t\u01b0\u1edfng v\u00e0 d\u1ec5 thua l\u1ed7.<\/p>\n

T\u1ea1i sao c\u1ea7n ph\u1ea3i t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1?<\/h2>\n

Hi\u1ec7n nay tr\u00f2 ch\u01a1i n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n th\u00e0nh nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau. Xi\u00ean 2, xi\u00ean 3, l\u00f4 tr\u01b0\u1ee3t, bao l\u00f4, \u0111\u00e1nh \u0111\u1ec1,\u2026 M\u1ed7i lo\u1ea1i h\u00ecnh s\u1ebd c\u00f3 m\u1ed9t t\u1ec9 l\u1ec7 tr\u00fang kh\u00e1c nhau n\u00ean m\u1ecdi ng\u01b0\u1eddi c\u1ea7n bi\u1ebft r\u00f5 \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 l\u1ef1a ch\u1ecdn cho m\u00ecnh m\u1ed9t c\u00e1ch ch\u01a1i ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n

Vi\u1ec7c t\u00ecm hi\u1ec3u v\u00e0 ph\u00e2n t\u00edch c\u1ee5 th\u1ec3 t\u1ec9 l\u1ec7 tr\u00fang \u0111\u01b0\u1ee3c con l\u00f4 A trong h\u00f4m nay l\u00e0 bao nhi\u00eau ph\u1ea7n tr\u0103m. Ch\u00fang ta s\u1ebd d\u1ec5 d\u00e0ng t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c n\u00ean ch\u01a1i \u201ct\u1ea5t tay\u201d hay l\u1ef1a ch\u1ecdn l\u1ed1i ch\u01a1i nu\u00f4i 3 \u2013 5 ng\u00e0y an to\u00e0n s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n

L\u1ea5y s\u1ed1 chu\u1ea9n song th\u1ee7 l\u00f4 h\u00f4m nay<\/strong><\/p>\n

C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t cho c\u00e1c h\u00ecnh th\u1ee9c l\u00f4<\/strong><\/span><\/h3>\n

\u0110\u1ec3 \u0111\u01a1n gi\u1ea3n ho\u00e1 ph\u00e9p t\u00ednh th\u00ec ch\u00fang t\u00f4i xin ch\u1ec9 c\u00e1c ph\u00e9p t\u00ednh tr\u01b0\u1edbc nh\u01b0 sau:<\/p>\n

X\u00e1c su\u1ea5t tr\u00fang 1 con l\u00f4 l\u00e0 23,7% (nh\u01b0 \u1edf tr\u00ean)<\/p>\n

X\u00e1c su\u1ea5t tr\u01b0\u1ee3t 1 con l\u00f4 l\u00e0 99%<\/p>\n

X\u00e1c su\u1ea5t tr\u01b0\u1ee3t 2 con l\u00f4 l\u00e0 99% ^ 2 ~ 98%<\/p>\n

X\u00e1c su\u1ea5t tr\u01b0\u1ee3t 3 con l\u00f4 l\u00e0 99% ^ 3 ~ 97%<\/p>\n

D\u1ea5u \u201c~\u201d trong to\u00e1n h\u1ecdc g\u1ecdi l\u00e0 g\u1ea7n b\u1eb1ng ho\u1eb7c x\u1ea5p x\u1ec9 Nh\u01b0 b\u1ea1n th\u1ea5y th\u00ec n\u00f3 s\u1ebd gi\u1ea3m t\u1eeb t\u1eeb. Ho\u1eb7c kh\u00f4ng c\u1ea7n t\u00ednh th\u00ec b\u1ea1n c\u1ee9 t\u00ednh 100 s\u1ed1 l\u00e0 100% cho d\u1ec5, c\u1ee9 tr\u01b0\u1ee3t n con th\u00ec gi\u1ea3m n l\u1ea7n v\u00e0 c\u1ee9 th\u1ebf b\u1ea1n t\u00ednh l\u00ean.<\/p>\n

X\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 v\u00e0 c\u00e1ch t\u00ednh\u00a0t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean\u00a02<\/b><\/span><\/h3>\n

\"\"<\/p>\n

V\u1edbi c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t trong l\u00f4 \u0111\u1ec1 n\u00e0y th\u00ec b\u1ea1n l\u1ea1i ph\u1ea3i t\u00ednh chia ra cho 2 tr\u01b0\u1eddng h\u1ee3p 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 c\u00f9ng l\u00fac ph\u1ea3i t\u00ednh x\u00e1c su\u1ea5t cho c\u1ea3 2 con s\u1ed1 \u0111\u00f3 trong 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