{"id":18012,"date":"2024-04-08T18:17:09","date_gmt":"2024-04-08T18:17:09","guid":{"rendered":"https:\/\/soicau5101.minhngocxoso.com\/?p=18012"},"modified":"2024-04-08T18:17:09","modified_gmt":"2024-04-08T18:17:09","slug":"thong-ke-nhung-cap-lo-xien-dep-nhat-hom-nay","status":"publish","type":"post","link":"https:\/\/caulotobachthu.com\/thong-ke-nhung-cap-lo-xien-dep-nhat-hom-nay\/","title":{"rendered":"th\u1ed1ng k\u00ea nh\u1eefng c\u1eb7p l\u00f4 xi\u00ean \u0111\u1eb9p nh\u1ea5t h\u00f4m nay"},"content":{"rendered":"
<\/p>\n\n\n
Ch\u01a1i x\u1ed5 s\u1ed1 l\u00f4 t\u00f4 ngo\u00e0i h\u00ecnh th\u1ee9c ch\u01a1i th\u00f4ng th\u01b0\u1eddng l\u00e0 ch\u1ecdn m\u1ed9t s\u1ed1 ho\u1eb7c b\u1ed9 s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh trong ng\u00e0y th\u00ec c\u00f2n c\u00f3 m\u1ed9t c\u00e1ch ch\u01a1i kh\u00e1c l\u00e0 ch\u01a1i l\u00f4 xi\u00ean. Ch\u01a1i l\u00f4 xi\u00ean kh\u00f4ng kh\u00e1c v\u1edbi ch\u01a1i l\u00f4 th\u01b0\u1eddng l\u00e0 m\u1ea5y, ngh\u0129a l\u00e0 thay v\u00ec ch\u1ec9 ch\u1ecdn m\u1ed9t ho\u1eb7c m\u1ed9t b\u1ed9 s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh th\u00ec ng\u01b0\u1eddi ch\u01a1i s\u1ebd ch\u01a1i theo ki\u1ec3u \u0111\u00e1nh l\u00f4 xi\u00ean 2, xi\u00ean 3 v\u00e0 xi\u00ean 4.<\/p>\n\n\n\n
L\u00f4 xi\u00ean ch\u01a1i kh\u00f4ng kh\u00f3 nh\u01b0ng quan tr\u1ecdng l\u00e0 ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng b\u1eaft s\u1ed1 t\u1ed1t v\u00e0 ch\u1ecdn l\u1ecdc \u0111\u01b0\u1ee3c nh\u1eefng con l\u00f4 \u0111\u1eb9p \u0111\u1ec3 gh\u00e9p ch\u00fang l\u1ea1i v\u1edbi nhau t\u1ea1o th\u00e0nh xi\u00ean \u0111\u1ec3 \u0111\u00e1nh. Nh\u1eefng con l\u00f4 xi\u00ean \u0111\u1eb9p n\u00e0y l\u00e0 nh\u1eefng con n\u00e0o? Ch\u1eafc h\u1eb3n b\u1ea5t c\u1ee9 ng\u01b0\u1eddi ch\u01a1i n\u00e0o c\u0169ng mu\u1ed1n bi\u1ebft n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c ch\u00fang. Tuy nhi\u00ean, x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc m\u1ed7i ng\u00e0y s\u1ebd x\u1ed5 27 con, l\u00e0 27 con b\u1ea5t k\u1ef3 t\u00ednh t\u1eeb 00 \u0111\u1ebfn 99, v\u1eady l\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 ch\u00fang ta c\u00f3 th\u1ec3 t\u00ecm ra \u0111\u01b0\u1ee3c nh\u1eefng c\u1eb7p l\u00f4 xi\u00ean \u0111\u1eb9p nh\u1ea5t h\u00f4m nay?<\/p>\n\n\n\n
\u0110\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c l\u1eddi gi\u1ea3i \u0111\u00e1p cho c\u00e2u h\u1ecfi tr\u00ean kh\u00f4ng kh\u00f3, n\u1ebfu b\u1ea1n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c quy lu\u1eadt s\u1ed1 Pi (quy lu\u1eadt l\u1ed3ng c\u1ea7u), t\u00ednh \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t c\u1ea7u l\u00f4 v\u1ec1 v\u00e0 c\u00f3 m\u1ed9t c\u1ea3m gi\u00e1c v\u1ec1 s\u1ed1 t\u1ed1t th\u00ec ch\u1eafc ch\u1eafn s\u1ebd l\u00e0m ch\u1ee7 \u0111\u01b0\u1ee3c cu\u1ed9c ch\u01a1i n\u00e0y. Hi\u1ec7n nay, c\u00f3 r\u1ea5t nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c chia s\u1ebb gi\u00fap ng\u01b0\u1eddi ch\u01a1i ph\u00e1n \u0111o\u00e1n v\u00e0 ch\u1ecdn l\u1ecdc s\u1ed1, nh\u01b0ng kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0o l\u00e0 ch\u1eafc ch\u1eafn c\u1ea3. V\u00ec v\u1eady nh\u1eefng c\u00e1ch t\u00ecm c\u1eb7p l\u00f4 xi\u00ean hay v\u1ec1 gi\u1edbi thi\u1ec7u d\u01b0\u1edbi \u0111\u00e2y ch\u1ec9 d\u00e0nh cho m\u1ee5c \u0111\u00edch tham kh\u1ea3o l\u00e0 ch\u00ednh.<\/p>\n\n\n\n
Tr\u01b0\u1edbc khi \u0111i t\u00ecm nh\u1eefng c\u1eb7p l\u00f4 xi\u00ean \u0111\u1eb9p nh\u1ea5t h\u00f4m nay \u0111\u1ec3 ch\u01a1i, b\u1ea5t c\u1ee9 ai c\u0169ng c\u1ea7n ph\u1ea3i bi\u1ebft x\u00e1c su\u1ea5t tr\u00fang l\u00f4 l\u00e0 bao nhi\u00eau \u0111\u1ec3 t\u1eeb \u0111\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng l\u1ed1i ch\u01a1i \u0111\u00fang \u0111\u1eafn nh\u1ea5t cho m\u00ecnh. N\u1ebfu b\u1ea1n kh\u00f4ng t\u00ednh to\u00e1n k\u1ef9 c\u00e0ng x\u00e1c su\u1ea5t tr\u00fang l\u00f4 c\u1ee7a m\u00ecnh, th\u00ec kh\u1ea3 n\u0103ng th\u1eafng cu\u1ed9c s\u1ebd b\u1ecb gi\u1ea3m \u0111i m\u1ed9t n\u1eeda.<\/p>\n\n\n\n
C\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t s\u1ed1 tr\u00f2 ch\u01a1i c\u00f3 t\u00ednh may r\u1ee7i kh\u00e1c, x\u00e1c su\u1ea5t tr\u00fang x\u1ed5 s\u1ed1, l\u00f4 \u0111\u1ec1 kh\u00f4ng bao gi\u1edd l\u00e0 100% m\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 50% b\u1edfi trong th\u1ef1c t\u1ebf khi ch\u01a1i ch\u1ec9 c\u00f3 hai \u0111i\u1ec1u duy nh\u1ea5t l\u00e0 tr\u00fang ho\u1eb7c tr\u01b0\u1ee3t.<\/p>\n\n\n\n
\u2013 T\u1ec9 l\u1ec7 tr\u01b0\u1ee3t 1 con l\u00f4: 99%<\/p>\n\n\n\n
\u2013 T\u1ec9 l\u1ec7 tr\u01b0\u1ee3t 2 con l\u00f4: 99%*2<\/p>\n\n\n\n
\u2013 T\u1ec9 l\u1ec7 tr\u01b0\u1ee3t 3 con l\u00f4: 99%*3<\/p>\n\n\n\n
\u2013> T\u1ec9 l\u1ec7 tr\u00fang 1 con l\u00f4: [1 \u2013 (99% ^ 27)] * 100 ~ 23,7%<\/p>\n\n\n\n
\u2013> T\u1ec9 l\u1ec7 tr\u00fang n con l\u00f4: [1 \u2013 [{100-n}% ^ 27)] * 100<\/p>\n\n\n\n
Nh\u01b0 v\u1eady, x\u00e1c su\u1ea5t tr\u00fang m\u1ed9t con l\u00f4 s\u1ebd l\u00e0 23,7%. <\/p>\n\n\n\n
L\u00f4 xi\u00ean 2 l\u00e0 ch\u1ecdn 2 con l\u00f4 theo c\u1eb7p c\u00f3 d\u1ea1ng [s\u1ed1 1; s\u1ed1 2] \u0111\u1ec3 \u0111\u00e1nh trong c\u00f9ng m\u1ed9t ng\u00e0y, n\u1ebfu c\u1ea3 2 con c\u00f9ng v\u1ec1 th\u00ec s\u1ebd tr\u00fang l\u00f4 xi\u00ean 2. \u0110\u1ec3 t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 2 th\u00ec ph\u1ea3i t\u00ednh \u0111\u1ee7 c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n\n\n
\u2013 X\u00e1c su\u1ea5t kh\u00f4ng v\u1ec1 c\u1ea3 hai con c\u00f9ng l\u00fac (tr\u01b0\u1ee3t): 98% ^ 27 ~ 57,9%<\/p>\n\n\n\n
\u2013 X\u00e1c su\u1ea5t ch\u1ec9 v\u1ec1 \u0111\u00fang 1 con (tr\u01b0\u1ee3t): 2 x 76,2% x 23,7% ~ 36,1%<\/p>\n\n\n\n
\u2013> X\u00e1c su\u1ea5t kh\u00f4ng tr\u00fang l\u00f4 xi\u00ean 2: 57,9% + 36,1% ~ 94%<\/p>\n\n\n\n
\u2013> X\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 2: 100% \u2013 94% ~ 6%. C\u00f3 th\u1ec3 th\u1ea5y t\u1ec9 l\u1ec7 tr\u00fang xi\u00ean 2 kh\u00f4ng l\u1edbn, nh\u01b0ng n\u1ebfu ng\u01b0\u1eddi ch\u01a1i bi\u1ebft k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 lo\u1ea1i tr\u1eeb nh\u1eefng c\u1eb7p s\u1ed1 \u00edt v\u1ec1 v\u00e0 ch\u1ecdn \u0111\u01b0\u1ee3c 2 s\u1ed1 hay ra th\u00ec v\u1eabn c\u00f3 c\u01a1 h\u1ed9i tr\u00fang.<\/p>\n\n\n\n
C\u00f4ng th\u1ee9c t\u00ednh t\u1ec9 l\u1ec7 tr\u00fang l\u00f4 xi\u00ean 3 ph\u1ee9c t\u1ea1p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi t\u00ednh t\u1ec9 l\u1ec7 tr\u00fang l\u00f4 xi\u00ean 2. N\u1ebfu ta g\u1ecdi A l\u00e0 tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng v\u1ec1 c\u1ea3 3 con; B l\u00e0 tr\u01b0\u1eddng h\u1ee3p ch\u1ec9 v\u1ec1 \u0111\u00fang 1 con; C l\u00e0 tr\u01b0\u1eddng h\u1ee3p ch\u1ec9 v\u1ec1 2 con, s\u1ebd c\u00f3 c\u00f4ng th\u1ee9c nh\u01b0 sau:<\/p>\n\n\n\n
\u2013 X\u00e1c su\u1ea5t kh\u00f4ng tr\u00fang l\u00f4 xi\u00ean 3: A + B + C = (0,97^27) + (3 * 0,2376 * 0,98^27) + (3 * 0,058 * 0,99^27) = 0,9851 ~ 98,51% . <\/p>\n\n\n\n
\u2013 X\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 3: 100% \u2013 98,51% = 1,49%<\/p>\n\n\n\n
V\u1edbi t\u1ec9 l\u1ec7 tr\u00fang l\u00f4 xi\u00ean 3 l\u00e0 1,49% th\u00ec qu\u1ea3 th\u1eadt l\u00e0 m\u1ed9t t\u1ec9 l\u1ec7 v\u00f4 c\u00f9ng th\u1ea5p, \u0111i\u1ec1u n\u00e0y c\u0169ng l\u00fd gi\u1ea3i \u0111\u01b0\u1ee3c t\u1ea1i sao kh\u00f4ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i l\u00f4 xi\u00ean n\u1ebfu kh\u00f4ng c\u00f3 k\u1ef9 n\u0103ng v\u00e0 chi\u1ebfn thu\u1eadt ch\u01a1i th\u1eadt t\u1ed1t. Tuy nhi\u00ean b\u00f9 l\u1ea1i l\u00e0 s\u1ed1 ti\u1ec1n thu \u0111\u01b0\u1ee3c khi tr\u00fang l\u00f4 xi\u00ean r\u1ea5t l\u1edbn n\u00ean b\u1ea1n \u0111\u1eebng ng\u1ea1i th\u1eed s\u1ee9c m\u1ed9t l\u1ea7n.<\/p>\n\n\n\n