T\u00ednh x\u00e1c su\u1ea5t tr\u00fang s\u1ed1 nh\u01b0 th\u1ebf n\u00e0o? \u0110\u00e2u l\u00e0 c\u00f4ng th\u1ee9c chu\u1ea9n x\u00e1c nh\u1ea5t? N\u1ebfu m\u1ecdi ng\u01b0\u1eddi v\u1eabn ch\u01b0a n\u1eafm \u0111\u01b0\u1ee3c th\u00ec trong n\u1ed9i dung n\u00e0y \u0111\u00e3 chia s\u1ebb \u0111\u1ea7y \u0111\u1ee7 ki\u1ebfn th\u1ee9c r\u1ed3i \u0111\u00f3!<\/p>\n
C\u00f3 nhi\u1ec1u anh ch\u1ecb em v\u00f4 c\u00f9ng \u0111\u1ecf, \u0111\u00e1nh \u0111\u00e2u tr\u00fang \u0111\u00f3, th\u01b0\u1eddng xuy\u00ean th\u1eafng l\u00f4, tr\u00fang \u0111\u1ec1 l\u00e0m cho ng\u01b0\u1eddi kh\u00e1c ng\u01b0\u1ee1ng m\u1ed9.<\/p>\n
Kh\u00e1i ni\u1ec7m X\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1<\/h2>\n
Ai c\u0169ng c\u00f3 \u01b0\u1edbc mu\u1ed1n th\u1eafng l\u1ee3i trong s\u1ed1 \u0111\u1ec1 nh\u01b0ng \u00edt ai c\u00f3 th\u1ec3 t\u1ec9nh t\u00e1o nh\u1eadn ra r\u1eb1ng c\u00e1c con s\u1ed1 \u0111\u1ec1u c\u00f3 quy lu\u1eadt quay c\u1ee7a n\u00f3, \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c con s\u1ed1 s\u1ebd xu\u1ea5t hi\u1ec7n th\u00ec x\u00e1c su\u1ea5t r\u1ea5t th\u1ea5p.<\/p>\n
![\"xac-suat-trung-so-de-min\" \"C\u00e1ch](\"\/wp-content\/uploads\/2024\/05\/xac-suat-trung-so-de-min.jpg\")
Anh em c\u00f3 th\u1ec3 th\u1ea5y:<\/strong><\/p>\n \u0110o\u00e1n \u0111\u01b0\u1ee3c 1 con \u0111\u1ec1: x\u00e1c su\u1ea5t xu\u1ea5t hi\u1ec7n 1%<\/p>\n \u0110o\u00e1n \u0111\u01b0\u1ee3c 1 con l\u00f4: x\u00e1c su\u1ea5t v\u1ec1 27% (v\u1edbi \u0111i\u1ec1u ki\u1ec7n ho\u00e0n h\u1ea3o l\u00e0 v\u1ec1 to\u00e0n b\u1ed9 27 con s\u1ed1 kh\u00f4ng tr\u00f9ng nhau). M\u1ed9t s\u1ed1 l\u00f4 \u0111\u00e3 v\u1eady th\u00ec t\u1ef7 l\u1ec7 \u0103n \u0111\u01b0\u1ee3c xi\u00ean 2, xi\u00ean 3, s\u1ed1 3 c\u00e0ng, 4 c\u00e0ng l\u1ea1i c\u00e0ng nh\u1ecf.<\/p>\n X\u00e1c su\u1ea5t t\u1ee9c l\u00e0 t\u1ef7 l\u1ec7 % s\u1ebd ra c\u1ee7a con s\u1ed1 \u0111\u00f3 trong m\u1ed7i k\u1ef3 quay.<\/p>\n V\u1edbi nh\u1eefng gi\u1ea3i l\u00f4 th\u00ec con s\u1ed1 th\u1ef1c n\u1ebfu xu\u1ea5t hi\u1ec7n l\u00f4 2 nh\u00e1y th\u00ec x\u00e1c su\u1ea5t c\u00f2n t\u1ee5t xu\u1ed1ng 23,76% v\u00e0 n\u1ebfu xu\u1ea5t hi\u1ec7n l\u00f4 3 nh\u00e1y n\u1eefa th\u00ec anh em ch\u1eafc s\u1ebd t\u1ef1 hi\u1ec3u v\u00ec khi m\u1ed9t s\u1ed1 l\u00f4 v\u1ec1 nhi\u1ec1u l\u1ea7n th\u00ec n\u00f3 s\u1ebd c\u1ea3n tr\u1edf s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c con kh\u00e1c trong b\u1ea3ng KQXS.<\/p>\n C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang s\u1ed1 hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c nh\u1eefng d\u00e2n chuy\u00ean \u00e1p d\u1ee5ng v\u00e0 th\u00e0nh c\u00f4ng \u0111\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i x\u1ed5 s\u1ed1 \u0111\u1ed3ng th\u1eddi n\u1ebfu bi\u1ebft ph\u1ed1i h\u1ee3p nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p th\u00ec c\u01a1 h\u1ed9i th\u1eafng l\u1ee3i trong m\u1ed7i l\u1ea7n quay c\u1ee7a b\u1ea1n l\u1ea1i c\u00e0ng cao.<\/p>\n T\u00ecm ra 1 con \u0111\u1ec1 trong 100 s\u1ed1 \u0111\u00fang l\u00e0 nh\u01b0 m\u00f2 kim \u0111\u00e1y b\u1ec3 tuy nhi\u00ean th\u1ef1c t\u1ebf l\u1ea1i kh\u00f4ng qu\u00e1 kh\u00f3 n\u1ebfu l\u00e0m theo c\u00e1c c\u00e1ch sau:<\/p>\n \u0110\u1ec3 ph\u00e9p t\u00ednh \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c nh\u1ea5t th\u00ec c\u00e1c b\u1ea1n c\u1ea7n ph\u1ed1i h\u1ee3p v\u1edbi nh\u1eefng ph\u1ea7n m\u1ec1m th\u1ed1ng k\u00ea l\u00f4 \u0111\u1ec1, ch\u1ec9 m\u1ed9t s\u1ed1 thao t\u00e1c \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u00e3 s\u1edf h\u1eefu \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin li\u00ean quan \u0111\u1ebfn c\u00e1c con s\u1ed1 \u0111\u1ed3ng th\u1eddi t\u1eeb \u0111\u1ea5y c\u00f3 th\u1ec3 t\u00ednh to\u00e1n x\u00e1c su\u1ea5t v\u1ec1 c\u1ee7a n\u00f3 v\u00e0 quy\u1ebft \u0111\u1ecbnh nu\u00f4i hay \u0111\u00e1nh ng\u00e0y cho ph\u00f9 h\u1ee3p.<\/p>\n \u0110\u00e1nh l\u00f4 c\u00f3 t\u1ef7 l\u1ec7 cao h\u01a1n \u0111\u1ec1 do n\u00f3 c\u00f3 nhi\u1ec1u nh\u1ea5t l\u00e0 27 gi\u1ea3i v\u00ec th\u1ebf c\u00e1c b\u1ea1n c\u0169ng c\u00f3 \u0111a d\u1ea1ng l\u1ef1a ch\u1ecdn h\u01a1n. Tuy nhi\u00ean \u0111\u1ec3 \u0103n l\u00f4 c\u0169ng c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 t\u00ednh to\u00e1n t\u1ec9 m\u1ec9 c\u00e1c quy lu\u1eadt s\u1ed1, ph\u1ea3i c\u00f3 b\u00ed quy\u1ebft c\u00f9ng d\u1ef1 c\u1ea3m t\u1ed1t.<\/p>\n Ch\u01a1i l\u00f4 theo \u0111\u1ec1 hay c\u00f2n g\u1ecdi l\u00e0 l\u00f4 r\u01a1i t\u1eeb \u0111\u1ec1: m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u00e1nh l\u1ea1i m\u1ed9t ho\u1eb7c v\u00e0i con \u0111\u1ec1 \u0111\u00e3 xu\u1ea5t hi\u1ec7n g\u1ea7n nh\u1ea5t \u0111\u1ec3 ch\u01a1i ng\u00e0y, c\u00e1ch n\u00e0y kh\u00e1 d\u1ec5 m\u00e0 c\u01a1 h\u1ed9i th\u1eafng l\u1edbn tuy nhi\u00ean \u0111\u1eebng n\u00ean s\u1eed d\u1ee5ng li\u00ean t\u1ee5c m\u00e0 c\u1ea7n ph\u1ea3i quan s\u00e1t, tr\u01b0\u1eddng h\u1ee3p v\u00e0i k\u1ef3 quay m\u00e0 l\u00f4 d\u1ea1ng n\u00e0y kh\u00f4ng ra th\u00ec m\u1edbi v\u00e0o \u0111\u00e1nh. V\u00ed d\u1ee5: XS \u0110\u00e0 N\u1eb5ng ng\u00e0y 02\/10\/2024 \u0111\u1ec1 v\u1ec1 524947 th\u00ec k\u1ef3 quay sau 05\/10\/2024 l\u00f4 47 n\u1ed5.<\/p>\n \u0110\u00e1nh l\u00f4 r\u01a1i t\u1eeb l\u00f4: Ch\u1ecdn nh\u1eefng con l\u00f4 k\u1ef3 quay tr\u01b0\u1edbc v\u1eeba v\u1ec1 nhi\u1ec1u nh\u00e1y th\u00ec ch\u01a1i l\u1ea1i v\u00e0 h\u00e3y l\u00f3t l\u1ed9n \u0111\u1ec3 ch\u1eafc th\u1eafng. V\u00ed d\u1ee5: XS MB ng\u00e0y 04\/10\/2024 l\u00f4 50 n\u1ed5 3 nh\u00e1y th\u00ec ng\u00e0y sau 05\/10\/2024 l\u1ea1i n\u1ed5 ti\u1ebfp 50.<\/p>\n \u0110\u00e1nh l\u00f4 theo \u0111\u1ea7u c\u00e2m, \u0111u\u00f4i c\u00e2m: th\u01b0\u1eddng th\u00ec c\u00e1c \u0111\u1ea7u \u0111u\u00f4i kh\u00f4ng c\u00e2m li\u00ean ti\u1ebfp 2 ng\u00e0y n\u00ean n\u1ebfu h\u00f4m nay c\u00e2m th\u00ec h\u00f4m sau anh ch\u1ecb em h\u00e3y ch\u1ecdn ch\u01a1i nh\u1eefng l\u00f4 trong \u0111\u1ea7u \u0111u\u00f4i \u0111\u1ea5y.<\/p>\n T\u00f3m l\u1ea1i x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 \u00e1p d\u1ee5ng t\u1eeb c\u1ef1c k\u1ef3 l\u00e2u, m\u1eb7c d\u00f9 th\u1ef1c t\u1ebf \u00e1p d\u1ee5ng v\u00f4 c\u00f9ng ph\u1ee9c t\u1ea1p nh\u01b0ng \u0111\u00e3 c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi th\u00e0nh c\u00f4ng. V\u1edbi ni\u1ec1m \u0111am m\u00ea con s\u1ed1, lu\u00f4n t\u00ecm t\u00f2i, h\u1ecdc h\u1ecfi th\u00ec d\u00f9 b\u00e0i to\u00e1n t\u00ecm ra c\u01a1 h\u1ed9i th\u1eafng l\u00f4 \u0111\u1ec1 c\u00f3 th\u1ea5p \u0111\u1ebfn m\u1ea5y th\u00ec ch\u00fang ta v\u1eabn s\u1ebd ki\u00ean nh\u1eabn \u0111\u1ec3 t\u00ecm ra \u0111\u00e1p \u00e1n.<\/p>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\nC\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 ra sao?<\/h2>\n
<\/figure>\n<\/div>\n
C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t \u0111\u00e1nh \u0111\u1ec1<\/h3>\n
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C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t \u0111\u00e1nh l\u00f4<\/h3>\n
K\u1ebft lu\u1eadn<\/h2>\n
soi c\u1ea7u si\u00eau v\u00edp mi\u1ec1n b\u1eafc<\/span><\/strong><\/h3>\n
\nc\u1ea7u si\u00eau v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 2 nh\u00e1y mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp song th\u1ee7 l\u00f4 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp song th\u1ee7 l\u00f4 k\u00e9p mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp b\u1ea1ch th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp song th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n \u0111\u1ec1 4 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n \u0111\u1ec1 6 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n \u0111\u1ec1 8 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n \u0111\u1ec1 10 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n l\u00f4 4 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
xs mi\u1ec1n b\u1eafc si\u00eau chu\u1ea9n<\/span><\/strong><\/h3>\n
\nc\u1ea7u si\u00eau v\u00edp d\u00e0n l\u00f4 6 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n l\u00f4 8 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n l\u00f4 xi\u00ean 2 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n l\u00f4 xi\u00ean 3 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n l\u00f4 xi\u00ean 4 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp 3 c\u00e0ng mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n 3 c\u00e0ng 2 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp d\u00e0n l\u00f4 10 s\u1ed1 mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mi\u1ec1n b\u1eafc \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
xs mi\u1ec1n nam si\u00eau chu\u1ea9n<\/span><\/strong><\/h3>\n
\nc\u1ea7u si\u00eau v\u00edp x\u1ec9u ch\u1ee7 mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp gi\u1ea3i 8 mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp bao l\u00f4 mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp song th\u1ee7 l\u00f4 mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp \u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp l\u00f4 3 s\u1ed1 mi\u1ec1n nam \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
xs mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/strong><\/h3>\n
\nc\u1ea7u si\u00eau v\u00edp x\u1ec9u ch\u1ee7 mi\u1ec1n trung \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n trung \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp gi\u1ea3i 8 mi\u1ec1n trung \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp bao l\u00f4 mi\u1ec1n trung \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n trung \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp song th\u1ee7 l\u00f4 mi\u1ec1n trung \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n
c\u1ea7u si\u00eau v\u00edp \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n trung \u0111\u1eb9p nh\u1ea5t \u0103n ngay<\/strong><\/a><\/p>\n