{"id":17640,"date":"2024-03-24T10:24:21","date_gmt":"2024-03-24T10:24:21","guid":{"rendered":"https:\/\/soicau5081.minhngocxoso.com\/?p=17640"},"modified":"2024-03-24T10:24:21","modified_gmt":"2024-03-24T10:24:21","slug":"huong-dan-cach-tinh-xac-suat-lo-de-toan-hoc-hien-nay","status":"publish","type":"post","link":"https:\/\/chotsochinhxac100.com\/huong-dan-cach-tinh-xac-suat-lo-de-toan-hoc-hien-nay\/","title":{"rendered":"h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 to\u00e1n h\u1ecdc hi\u1ec7n nay"},"content":{"rendered":"

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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 \u0111\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd nh\u1ea5t. Nh\u1eefng th\u00f4ng tin \u0111\u01b0\u1ee3c chuy\u00ean gia chia s\u1ebb s\u1ebd gi\u00fap c\u00e1c b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch. C\u00f9ng t\u00ecm hi\u1ec3u nh\u00e9.<\/p>\n\n\n\n

C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec?<\/h2>\n\n\n\n

X\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 l\u00e0 t\u1ed5ng h\u1ee3p \u0111a s\u1ed1 nh\u1eefng c\u01a1 ch\u1ebf, thu\u1eadt to\u00e1n trong kho\u1ea3ng chuy\u00ean gia nh\u00e0 c\u00e1i \u0111\u00e1nh l\u00f4 \u0111\u1ec1 uy t\u00edn \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi ch\u01a1i ti\u1ec7n d\u1ee5ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng khi tham gia c\u00e1 c\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 \u1edf t\u1eebng h\u00ecnh th\u1ee9c c\u1ee5 th\u1ec3 l\u00e0 bao nhi\u00eau ph\u1ea7n tr\u0103m.<\/p>\n\n\n\n

Vi\u1ec7c bi\u1ebft tr\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 th\u1eafng c\u1ee7a m\u1ed9t tr\u00f2 ch\u01a1i c\u00e1 c\u01b0\u1ee3c s\u1ebd gi\u00fap anh em d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c ch\u1ecdn l\u1ef1a chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 \u0111\u1ea7u c\u01a1 trong ng\u00e0y b\u1eefa nay, trong kho\u1ea3ng \u0111\u1ea5y kh\u1ea3 n\u0103ng v\u00e0o b\u1edd m\u1ed7i ng\u00e0y c\u1ee7a anh em s\u1ebd \u0111\u01b0\u1ee3c n\u00e2ng cao l\u00ean \u1edf m\u1ed9t m\u1ee9c \u0111\u00e1ng n\u00f3i.<\/p>\n\n\n\n

C\u00e1c c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 to\u00e1n h\u1ecdc hi\u1ec7n nay<\/h2>\n\n\n\n

\u1ede m\u1ed7i c\u00e1ch s\u1ebd c\u00f3 m\u1ed7i c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t kh\u00e1c nhau. C\u00e1c c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 d\u1ec5 tr\u00fang nh\u1ea5t hi\u1ec7n nay lu\u00f4n l\u00e0 \u0111\u1ec1 t\u00e0i \u0111\u01b0\u1ee3c anh em t\u00ecm ki\u1ebfm.<\/p>\n\n\n\n

C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t \u0111\u00e1nh l\u00f4 t\u00f4<\/h3>\n\n\n\n

L\u00e0m sao \u0111\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t loto? L\u00f4 t\u00f4 l\u00e0 khi ng\u01b0\u1eddi ng\u01b0\u1eddi ch\u01a1i tham gia d\u1ef1 \u0111o\u00e1n 2 con s\u1ed1 cu\u1ed1i c\u1ee7a t\u1ea5t c\u1ea3 27 gi\u1ea3i th\u01b0\u1edfng \u1edf x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc. 18 gi\u1ea3i th\u01b0\u1edfng \u1edf mi\u1ec1n Nam v\u00e0 mi\u1ec1n Trung. D\u01b0\u1edbi \u0111\u00e2y ch\u00fang t\u00f4i s\u1ebd \u0111\u01b0a ra c\u00f4ng th\u1ee9c t\u00ednh \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng theo s\u1ed1 l\u01b0\u1ee3ng gi\u1ea3i th\u01b0\u1edfng c\u1ee7a mi\u1ec1n B\u1eafc.<\/p>\n\n\n\n

100% l\u00e0 ch\u1ec9 s\u1ed1 t\u1ed1i \u0111a m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 tr\u00fang gi\u1ea3i. Khi b\u1ea1n ch\u1ec9 ch\u1ecdn 1 con s\u1ed1 t\u1eeb 00-99 th\u00ec t\u1ee9c l\u00e0 con s\u1ed1 \u0111\u00f3 s\u1ebd c\u00f3 99% t\u1ec9 l\u1ec7 tr\u01b0\u1ee3t. N\u1ebfu ch\u1ecdn 2 con s\u1ed1 th\u00ec t\u1ec9 l\u1ec7 tr\u01b0\u1ee3t l\u00e0 99% x 99%, k\u1ebft qu\u1ea3 s\u1ebd x\u1ea5p x\u1ec9 98%.<\/p>\n\n\n\n

Khi t\u00ednh t\u1ec9 l\u1ec7 c\u1ea3 27 con s\u1ed1 \u0111\u1ec1u tr\u01b0\u1ee3t s\u1ebd l\u00e0 99% m\u0169 27 (T\u1ee9c l\u00e0 99 s\u1ebd nh\u00e2n 27 l\u1ea7n v\u1edbi 99). Nh\u01b0 v\u1eady th\u00ec x\u00e1c su\u1ea5t tr\u00fang l\u00f4 s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh theo c\u00f4ng th\u1ee9c: [1 – (99 m\u0169 27)] x 100 = 23,7%.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n ch\u1ecdn \u0111\u00e1nh t\u1eeb 2 con tr\u1edf l\u00ean th\u00ec c\u00f4ng th\u1ee9c s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau:<\/h5>\n\n\n\n

[1 \u2013 [(100 \u2013 N)% m\u0169 27)] x 10. Trong \u0111\u00f3 th\u00ec “N” ch\u00ednh l\u00e0 s\u1ed1 l\u01b0\u1ee3ng con s\u1ed1 b\u1ea1n mu\u1ed1n \u0111\u00e1nh. V\u00ed d\u1ee5 s\u1ed1 l\u01b0\u1ee3ng l\u00e0 2 th\u00ec x\u00e1c su\u1ea5t l\u00e0 g\u1ea7n 42%, 3 s\u1ebd l\u00e0 56% v\u00e0 4 l\u00e0 67%…<\/p>\n\n\n\n

\u0110\u00e2u l\u00e0 c\u00e1ch t\u00ednh b\u00f3ng \u00e2m d\u01b0\u01a1ng l\u00f4 \u0111\u1ec1 d\u1ec5 tr\u00fang nh\u1ea5t \u0111ang \u0111\u01b0\u1ee3c chuy\u00ean gia v\u00e0 nhi\u1ec1u ng\u01b0\u1eddi khuy\u00ean d\u00f9ng? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch \u0111\u1ebfn v\u1edbi m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n

\"\"<\/p>\n\n\n

T\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 tr\u00fang 1 l\u00f4<\/h3>\n\n\n\n

X\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc c\u00f3 27 gi\u1ea3i x\u1ed5 s\u1ed1, v\u00ec th\u1ebf ch\u00fang ta c\u00f3 27 c\u01a1 h\u1ed9i \u0111o\u00e1n tr\u00fang l\u00f4, x\u1ed5 s\u1ed1 mi\u1ec1n Nam, mi\u1ec1n Trung c\u00f3 18 gi\u1ea3i n\u00ean ch\u00fang ta c\u0169ng c\u00f3 18 c\u01a1 h\u1ed9i \u0111o\u00e1n l\u00f4. Tuy nhi\u00ean x\u00e1c su\u1ea5t c\u1ee7a n\u00f3 c\u00f3 ph\u1ea3i th\u1eadt nh\u01b0 v\u1eady kh\u00f4ng? Ta c\u00f9ng t\u00ednh th\u1eed x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1 mi\u1ec1n B\u1eafc nh\u01b0 sau:<\/p>\n\n\n\n

T\u1ef7 l\u1ec7 th\u1eafng c\u1ee7a 27 gi\u1ea3i XSMB l\u00e0 100%, t\u1ef7 l\u1ec7 tr\u01b0\u1ee3t 1 gi\u1ea3i l\u00e0 99%. Gi\u1ea3 s\u1eed c\u00e1c gi\u1ea3i c\u00f3 x\u00e1c su\u1ea5t tr\u01b0\u1ee3t nh\u01b0 nhau, ta c\u00f3:<\/h5>\n\n\n\n