{"id":18067,"date":"2024-05-10T14:55:23","date_gmt":"2024-05-10T14:55:23","guid":{"rendered":"https:\/\/soicaulode866.com\/?p=18067"},"modified":"2024-05-10T14:55:23","modified_gmt":"2024-05-10T14:55:23","slug":"soi-cau-lo-de-chuan-cach-tinh-xac-suat-lo-de-hieu-qua","status":"publish","type":"post","link":"https:\/\/soicaulode866.com\/soi-cau-lo-de-chuan-cach-tinh-xac-suat-lo-de-hieu-qua\/","title":{"rendered":"soi c\u1ea7u l\u00f4 \u0111\u1ec1 chu\u1ea9n, c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 hi\u1ec7u qu\u1ea3"},"content":{"rendered":"
<\/p>\n\n\n
C\u00e1ch 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\n\n\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00f4ng th\u1ee9c t\u00ednh c\u1ee5 th\u1ec3 nh\u1ea5t, m\u1eddi m\u1ecdi ng\u01b0\u1eddi c\u00f9ng tham kh\u1ea3o.<\/p>\n\n\n\n
C\u00f4ng th\u1ee9c \u0103n \u0111\u01b0\u1ee3c con l\u00f4 s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau: [1 \u2013 [(100 \u2013 n)% m\u0169 27)] x 10 (v\u1edbi n l\u00e0 s\u1ed1 l\u01b0\u1ee3ng con s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0).<\/p>\n\n\n\n
V\u1eady % \u0103n \u0111\u01b0\u1ee3c n\u1ebfu \u0111\u00e1nh 1 con l\u00f4: [1 \u2013 [(100 \u2013 1)% m\u0169 27)] x 10 = 23,7%.<\/p>\n\n\n\n
T\u01b0\u01a1ng t\u1ef1 c\u00f4ng th\u1ee9c tr\u00ean ch\u00fang ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng suy ra \u0111\u01b0\u1ee3c:<\/p>\n\n\n\n
\u0110\u00e2y l\u00e0 c\u00e1ch t\u00ednh \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u00e0i x\u1ed5 s\u1ed1 Mi\u1ec1n B\u1eafc (27 gi\u1ea3i), \u0111\u1ed1i v\u1edbi XSMN v\u00e0 XSMT k\u1ebft qu\u1ea3 n\u00e0y s\u1ebd c\u00f3 ch\u00fat thay \u0111\u1ed5i 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.<\/p>\n\n\n\n
Kh\u00f4ng ph\u1ee9c t\u1ea1p nh\u01b0 c\u00e1ch ch\u01a1i l\u00f4, c\u00e1ch t\u00ednh t\u1ec9 l\u1ec7 tr\u00fang con \u0111\u1ec1 c\u00f3 ph\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n \u0111\u00f4i ch\u00fat. \u0110\u1ed1i v\u1edbi c\u1ea3 3 Mi\u1ec1n B\u1eafc \u2013 Trung \u2013 Nam th\u00ec ch\u1ec9 c\u1ea7n b\u1ea1n \u0111o\u00e1n tr\u00fang \u0111\u01b0\u1ee3c 1 trong 100 con s\u1ed1 t\u1eeb 00 \u2013 99 c\u1ee7a 2 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng. T\u1eeb \u0111\u00e2y, ch\u00fang ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng suy ra \u0111\u01b0\u1ee3c % \u0103n \u0111\u01b0\u1ee3c con \u0111\u1ec1 s\u1ebd l\u00e0 1%. C\u1ee5 th\u1ec3:<\/p>\n\n\n\n
L\u00f4 xi\u00ean 2 l\u00e0 c\u00e1ch ch\u01a1i m\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i d\u1ef1 \u0111o\u00e1n tr\u00fang \u0111\u01b0\u1ee3c c\u1ea3 2 con l\u00f4 t\u00f4 s\u1ebd v\u1ec1 trong c\u00f9ng m\u1ed9t k\u1ef3 quay th\u01b0\u1edfng, v\u00ec th\u1ebf ta s\u1ebd c\u00f3 c\u00f4ng th\u1ee9c t\u00ednh nh\u01b0 sau:<\/p>\n\n\n\n
=> % \u0103n \u0111\u01b0\u1ee3c xi\u00ean 2 s\u1ebd l\u00e0: 100% \u2013 94,1% = 5,8%.<\/p>\n\n\n\n
L\u00f4 xi\u00ean 3 l\u00e0 c\u00e1ch ch\u01a1i m\u00e0 b\u1ea1n c\u1ea7n d\u1ef1 \u0111o\u00e1n tr\u00fang \u0111\u01b0\u1ee3c c\u1ea3 3 con loto s\u1ebd v\u1ec1 trong c\u00f9ng m\u1ed9t k\u1ef3 m\u1edf th\u01b0\u1edfng v\u1edbi % tr\u00fang chi ti\u1ebft \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau:<\/p>\n\n\n\n
T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch t\u00ednh c\u1ee7a l\u00f4 xi\u00ean 2, ch\u00fang ta s\u1ebd t\u00ednh \u0111\u01b0\u1ee3c t\u1ec9 l\u1ec7 thua xi\u00ean 3 s\u1ebd l\u00e0: % tr\u01b0\u1ee3t c\u1ea3 3 + % \u0103n 2 con + % \u0103n 1 con = 98,5%.<\/p>\n\n\n\n
V\u1eady % \u0103n \u0111\u01b0\u1ee3c con xi\u00ean 3 s\u1ebd b\u1eb1ng: 100% \u2013 98,5% = 1,5%.<\/p>\n\n\n
<\/p>\n\n\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\n\n\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\n\n\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\n\n\n
Chu\u1ea9n b\u1ecb t\u00e2m l\u00fd t\u1ed1t c\u0169ng l\u00e0 \u0111i\u1ec1u anh em ph\u1ea3i l\u01b0u \u00fd. T\u00e2m l\u00fd v\u1eefng v\u00e0ng \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh c\u1ee7a anh em.<\/p>\n\n\n\n
Th\u01b0\u1eddng xuy\u00ean tham kh\u1ea3o, h\u1ecdc h\u1ecfi c\u00e1c chi\u1ebfn thu\u1eadt ch\u01a1i m\u1edbi v\u00ec quy lu\u1eadt x\u1ed5 s\u1ed1 thay \u0111\u1ed5i li\u00ean t\u1ee5c n\u00ean c\u1eadp nh\u1eadt chi\u1ebfn thu\u1eadt ch\u01a1i s\u1ebd gi\u00fap anh em d\u1ec5 d\u00e0ng chi\u1ebfn th\u1eafng \u0111\u01b0\u1ee3c nh\u00e0 c\u00e1i.<\/p>\n\n\n\n
Tr\u00ean \u0111\u00e2y l\u00e0 b\u00e0i vi\u1ebft c\u1ee7a Soi c\u1ea7u l\u00f4 \u0111\u1ec1 chu\u1ea9n v\u1ec1 c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 s\u1ebd gi\u00fap ng\u01b0\u1eddi ch\u01a1i bi\u1ebft \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 tr\u00fang l\u00f4 v\u00e0 tr\u00fang \u0111\u1ec1 trong m\u1ed9t k\u1ef3 quay c\u1ee5 th\u1ec3 l\u00e0 bao nhi\u00eau ph\u1ea7n tr\u0103m \u0111\u1ec3 ch\u00fang ta c\u00f3 nhi\u1ec1u quy\u1ebft \u0111\u1ecbnh v\u00e0 t\u00ednh to\u00e1n chu\u1ea9n x\u00e1c h\u01a1n. Tr\u00fang l\u00f4 \u0111\u1ec1 tuy r\u1eb1ng r\u1ea5t kh\u00f3 nh\u01b0ng n\u1ebfu c\u00f3 kinh nghi\u1ec7m v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u00ec kh\u00f4ng g\u00ec l\u00e0 kh\u00f4ng th\u1ec3.<\/p>\n\n\n\n
Tuy nhi\u00ean \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 h\u00e0ng ng\u00e0y chu\u1ea9n ngo\u00e0i may m\u1eafn th\u00ec c\u00f2n l\u00e0 qu\u00e1 tr\u00ecnh h\u1ecdc h\u1ecfi l\u00e2u d\u00e0i v\u00e0 li\u00ean t\u1ee5c. Ch\u00ednh v\u00ec th\u1ebf \u0111\u1eebng v\u1ed9i n\u1ea3n ch\u00ed n\u1ebfu \u0111\u00f4i khi ch\u01b0a c\u00f3 \u0111\u01b0\u1ee3c may m\u1eafn nh\u00e9. Ch\u00fac anh em may m\u1eafn.<\/p>\n\n\n
<\/p>\r\n
C\u00e1ch 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 … <\/p>\n","protected":false},"author":1,"featured_media":18068,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[2648,3124,3128,3125,2885,3127,2608,2405,2709,2887,3130,2412,2407,2410,2438,2629,3131,2630,3126,2636,3046,3132,3129,2730],"yoast_head":"\n