L\u00f4 xi\u00ean 2 l\u00e0 h\u00ecnh th\u1ee9c c\u00e1 c\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 d\u1ef1a v\u00e0o 2 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i th\u01b0\u1edfng trong v\u00f2ng quay x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft c\u00e1c mi\u1ec1n. M\u1eb7c d\u00f9 c\u00f3 t\u1ef7 l\u1ec7 gi\u1ea3i th\u01b0\u1edfng r\u1ea5t cao nh\u01b0ng l\u1ea1i kh\u00e1 kh\u00f3 tr\u00fang th\u01b0\u1edfng. Tuy nhi\u00ean, vi\u1ec7c d\u1ef1 \u0111o\u00e1n s\u1ebd tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n khi b\u1ea1n bi\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng b\u00ed quy\u1ebft c\u0169ng nh\u01b0 <\/i>c\u00e1ch t\u00ednh l\u00f4 xi\u00ean 2<\/i><\/b> \u0111\u01a1n gi\u1ea3n sau \u0111\u00e2y.<\/i><\/p>\n Tr\u00ean th\u1ef1c t\u1ebf kh\u00f4ng ch\u1ec9 c\u00f3 l\u00f4 xi\u00ean 2 m\u00e0 c\u00f2n l\u00f4 xi\u00ean 3, l\u00f4 xi\u00ean 4, ngo\u00e0i ra n\u00f3 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi v\u1edbi c\u00e1i t\u00ean kh\u00e1c l\u00e0 l\u00f4 x\u00e2u. Trong \u0111\u00f3 l\u00f4 xi\u00ean 2 li\u00ean quan t\u1edbi 2 s\u1ed1 cu\u1ed1i trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1, n\u00f3 c\u0169ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c c\u1eb7p s\u1ed1 t\u1eeb 00 t\u1edbi 99.<\/p>\n Ng\u01b0\u1eddi ch\u01a1i tham gia c\u00e1 c\u01b0\u1ee3c b\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn m\u1ed9t c\u1eb7p s\u1ed1 ng\u1eabu nhi\u00ean t\u1eeb 00 t\u1edbi 99, \u0111\u1eb7t m\u1ee9c ti\u1ec1n t\u01b0\u01a1ng \u1ee9ng. Sau \u0111\u00f3 \u0111\u1ee3i x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft c\u00e1c mi\u1ec1n B\u1eafc, Trung, Nam c\u00f4ng b\u1ed1 k\u1ebft qu\u1ea3 v\u00e0 d\u00f2 t\u00ecm 2 s\u1ed1 cu\u1ed1i c\u00f9ng trong c\u00e1c gi\u1ea3i.<\/p>\n Th\u00f4ng th\u01b0\u1eddng, \u1edf \u0111\u00e0i mi\u1ec1n B\u1eafc c\u00f3 27 gi\u1ea3i v\u00e0 t\u01b0\u01a1ng t\u1ef1 l\u00e0 18 gi\u1ea3i \u1edf 2 \u0111\u00e0i mi\u1ec1n Nam, mi\u1ec1n Trung. B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c xem l\u00e0 tr\u00fang th\u01b0\u1edfng khi c\u1eb7p s\u1ed1 l\u1ef1a ch\u1ecdn tr\u00fang v\u00e0o 2 s\u1ed1 cu\u1ed1i c\u1ee7a m\u1ed9t trong c\u00e1c gi\u1ea3i x\u1ed5 s\u1ed1 quay ra.<\/p>\n C\u00e1ch t\u00ednh:<\/strong><\/p>\n C\u1eb7p s\u1ed1 ng\u01b0\u1eddi ch\u01a1i l\u1ef1a ch\u1ecdn s\u1ebd g\u1ed3m c\u00f3 2 s\u1ed1 \u0111\u01b0\u1ee3c gh\u00e9p khi ch\u1ecdn ng\u1eabu nhi\u00ean t\u1eeb 00 t\u1edbi 99.<\/p>\n C\u00e1ch t\u00ednh l\u00f4 xi\u00ean 2 <\/b>r\u1ea5t \u0111\u01a1n gi\u1ea3n: v\u00ed d\u1ee5 t\u1ef7 l\u1ec7 \u0103n 1:10 v\u1eady th\u00ec khi b\u1ea1n \u0111\u1eb7t c\u01b0\u1ee3c 1.000 VN\u0110 cho c\u1eb7p xi\u00ean AB n\u00e0o \u0111\u00f3 m\u00e0 khi tr\u00fang th\u00ec s\u1ed1 ti\u1ec1n b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 10.000 VN\u0110.<\/p>\n L\u01b0u \u00fd: <\/strong><\/p>\n Ta l\u1ea5y x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft mi\u1ec1n B\u1eafc l\u00e0m chu\u1ea9n, n\u01a1i c\u00f3 27 gi\u1ea3i th\u01b0\u1edfng \u0111\u01b0\u1ee3c quay m\u1ed7i k\u1ef3. M\u00e0 c\u00f3 t\u1edbi 100 con s\u1ed1 t\u1eeb 00 t\u1edbi 99 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n. V\u1eady suy ra x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 2 cao nh\u1ea5t s\u1ebd l\u00e0 27%.<\/p>\n C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang th\u01b0\u1edfng l\u00f4 xi\u00ean 2<\/i><\/p>\n Tuy nhi\u00ean, th\u00f4ng th\u01b0\u1eddng v\u1eabn hay c\u00f3 tr\u01b0\u1eddng h\u1ee3p 2 s\u1ed1 cu\u1ed1i c\u1ee7a m\u1ed9t s\u1ed1 trong 27 gi\u1ea3i th\u01b0\u1edfng \u0111\u00f3 tr\u00f9ng nhau, v\u00ec v\u1eady, x\u00e1c su\u1ea5t l\u1ea1i gi\u1ea3m th\u00eam, b\u00ecnh qu\u00e2n l\u00e0 kho\u1ea3ng 21.5 s\u1ed1 kh\u00e1c nhau.<\/p>\n Theo c\u00e1ch t\u00ednh l\u00f4 xi\u00ean 2 <\/b>tr\u00ean th\u00ec ta c\u00f3 x\u00e1c su\u1ea5t \u0111\u00e1nh tr\u00fang c\u00f2n l\u1ea1i l\u00e0 21.5% x 21.5% = 0.046. V\u1eady ch\u1ec9 c\u00f3 4.6% c\u01a1 h\u1ed9i \u0111\u00e1nh tr\u00fang.<\/p>\n M\u1ed9t con s\u1ed1 kh\u00e1 nh\u1ecf. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y \u0111\u1ed9 kh\u00f3 c\u1ee7a tr\u00f2 ch\u01a1i n\u00e0y, \u0111\u1ed3ng th\u1eddi y\u00eau c\u1ea7u ng\u01b0\u1eddi tham gia c\u1ea7n c\u00f3 s\u1ef1 kh\u00f4n ngoan, kinh nghi\u1ec7m c\u0169ng nh\u01b0 l\u01b0\u1ee3ng t\u00e0i ch\u00ednh \u0111\u1ea7y \u0111\u1ee7.<\/p>\n Ti\u1ebfp t\u1ee5c l\u1ea5y t\u00ednh to\u00e1n \u0111i\u1ec3n h\u00ecnh \u1edf x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft khu v\u1ef1c mi\u1ec1n B\u1eafc. Nh\u01b0 ta \u0111\u00e3 bi\u1ebft, m\u1ed7i \u0111i\u1ec3m \u0111\u1eb7t c\u01b0\u1ee3c t\u01b0\u01a1ng \u1ee9ng khi tr\u00fang th\u01b0\u1edfng s\u1ebd mang l\u1ea1i 80.000 VN\u0110.<\/p>\n Nh\u01b0 v\u1eady, khi b\u1ea1n \u0111\u1eb7t n \u0111i\u1ec3m cho s\u1ed1 AB n\u00e0o \u0111\u00f3 t\u1eeb 00 \u2013 99 m\u00e0 n\u00f3 tr\u00f9ng v\u1edbi 1 trong s\u1ed1 c\u00e1c gi\u1ea3i c\u1ee7a x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft mi\u1ec1n B\u1eafc th\u00ec m\u1ee9c ti\u1ec1n th\u01b0\u1edfng b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c s\u1ebd l\u00e0 = 80.0000 x n VN\u0110.<\/p>\n \u0110\u1eb7c bi\u1ec7t, tr\u01b0\u1eddng h\u1ee3p may m\u1eafn khi c\u00f3 t\u1edbi m gi\u1ea3i kh\u00e1c nhau m\u00e0 2 s\u1ed1 cu\u1ed1i c\u1ee7a n\u00f3 tr\u00f9ng v\u1edbi c\u1eb7p AB b\u1ea1n \u0111\u00e3 \u0111\u1eb7t c\u01b0\u1ee3c th\u00ec m\u1ee9c th\u01b0\u1edfng s\u1ebd v\u1eabn nh\u00e2n l\u00ean c\u1ea5p \u0111\u1ed9 m l\u1ea7n.<\/p>\n Nh\u01b0 ch\u00fang ta \u0111\u00e3 ph\u00e2n t\u00edch tr\u00ean \u0111\u00e2y, x\u00e1c su\u1ea5t d\u1ef1 \u0111o\u00e1n \u0111\u1ed1i v\u1edbi l\u00f4 xi\u00ean 2 \u1edf khu v\u1ef1c mi\u1ec1n B\u1eafc ch\u1ec9 n\u1eb1m v\u00e0o kho\u1ea3ng 4.6%. V\u00ec v\u1eady, \u0111\u1ec3 gi\u00e0nh \u0111\u01b0\u1ee3c m\u1ee9c th\u01b0\u1edfng l\u1edbn kh\u00f4ng h\u1ec1 l\u00e0 \u0111i\u1ec1u d\u1ec5 d\u00e0ng. Theo \u0111\u00f3, b\u1ea1n c\u1ea7n \u0111\u1ee7 t\u1ec9nh t\u00e1o, l\u01b0\u1ee3ng t\u00e0i ch\u00ednh, ki\u1ebfn th\u1ee9c, kinh nghi\u1ec7m v\u00e0 hi\u1ec3u r\u00f5 nh\u1eefng b\u00ed quy\u1ebft sau:<\/p>\n B\u00ed quy\u1ebft ch\u01a1i l\u00f4 xi\u00ean 2 hi\u1ec7u qu\u1ea3<\/i><\/p>\n L\u00f4 xi\u00ean 2 th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i c\u00e1 c\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 c\u00f3 \u0111\u1ed9 kh\u00f3 cao trong nh\u1eefng c\u00e1ch t\u00ednh l\u00f4 xi\u00ean<\/strong> kh\u00e1c, x\u00e1c su\u1ea5t tr\u00fang th\u1ea5p v\u00e0 y\u00eau c\u1ea7u nhi\u1ec1u ti\u00eau chu\u1ea9n v\u1ec1 th\u1eddi gian, t\u00e0i ch\u00ednh, kinh nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi tham gia. Ch\u00fang t\u00f4i mang t\u1edbi nh\u1eefng th\u00f4ng tin b\u00ed quy\u1ebft c\u0169ng nh\u01b0 c\u00e1ch t\u00ednh l\u00f4 xi\u00ean 2<\/b> tr\u00ean \u0111\u00e2y mong r\u1eb1ng s\u1ebd gi\u00fap \u0111\u1ee1 b\u1ea1n d\u1ec5 d\u00e0ng th\u1eafng l\u1edbn h\u01a1n khi d\u1ef1 \u0111o\u00e1n v\u1edbi h\u00ecnh th\u1ee9c n\u00e0y.<\/p>\n<\/div>\n<\/div>\nC\u00e1c C\u00e1ch T\u00ednh L\u00f4 Xi\u00ean 2:<\/b><\/h2>\n
C\u00e1ch ch\u01a1i l\u00f4 xi\u00ean 2:<\/strong><\/h3>\n
\n
C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean 2:<\/strong><\/h3>\n
C\u00e1ch t\u00ednh ti\u1ec1n l\u00f4:<\/strong><\/h3>\n
B\u00ed Quy\u1ebft Ch\u01a1i L\u00f4 Xi\u00ean 2 \u0110\u01a1n Gi\u1ea3n V\u00e0 Hi\u1ec7u Qu\u1ea3:<\/b><\/h2>\n
\n
\n
K\u1ebft lu\u1eadn:<\/strong><\/h2>\n
\n
\n
\n