K\u00e8o Indo L\u00e0 G\u00ec? Ph\u00e2n T\u00edch S\u00e2u V\u1ec1 T\u1ef7 L\u1ec7 C\u01b0\u1ee3c Indonesia<\/i><\/b><\/a><\/p>\nH\u01b0\u1edbng D\u1eabn C\u00e1ch T\u00ednh To\u00e1n Khi \u00c1p D\u1ee5ng C\u00f4ng Th\u1ee9c Kelly Trong C\u00e1 \u0110\u1ed9<\/b><\/h2>\n D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ec7m chi ti\u1ebft \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <\/span>c\u00f4ng th\u1ee9c Kelly trong c\u00e1 \u0111\u1ed9<\/b> m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/span><\/p>\n\u00c1p d\u1ee5ng c\u00f4ng th\u1ee9c Kelly v\u00e0o qu\u1ea3n l\u00fd v\u1ed1n trong c\u00e1 c\u01b0\u1ee3c<\/em><\/figcaption><\/figure>\nB\u01b0\u1edbc 1: X\u00e1c \u0110\u1ecbnh W<\/b><\/h3>\n T\u1ef7 l\u1ec7 th\u1eafng c\u01b0\u1ee3c, hay W, l\u00e0 y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n quy\u1ebft \u0111\u1ecbnh s\u1ed1 v\u1ed1n b\u1ea1n n\u00ean \u0111\u1eb7t v\u00e0o m\u1ed7i l\u1ea7n c\u01b0\u1ee3c. \u0110\u1ec3 t\u00ecm W, b\u1ea1n ch\u1ec9 c\u1ea7n t\u00ednh t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m s\u1ed1 l\u1ea7n th\u1eafng so v\u1edbi t\u1ed5ng s\u1ed1 l\u1ea7n \u0111\u1eb7t c\u01b0\u1ee3c c\u1ee7a m\u00ecnh.<\/span><\/p>\n. C\u00f4ng th\u1ee9c t\u00ednh W<\/b>:\u00a0<\/span><\/p>\nW = S\u1ed1 l\u1ea7n th\u1eafng c\u01b0\u1ee3c \/ T\u1ed5ng s\u1ed1 l\u1ea7n c\u01b0\u1ee3c<\/i><\/b><\/p>\n
V\u00ed d\u1ee5 minh h\u1ecda<\/b>: Gi\u1ea3 s\u1eed b\u1ea1n \u0111\u00e3 c\u01b0\u1ee3c t\u1ed5ng c\u1ed9ng 100 l\u1ea7n v\u00e0 th\u1eafng 55 l\u1ea7n, t\u1ef7 l\u1ec7 th\u1eafng c\u01b0\u1ee3c c\u1ee7a b\u1ea1n l\u00e0: W = 55 : 100 = 0.55<\/span> \n<\/span>Nh\u01b0 v\u1eady, b\u1ea1n c\u00f3 t\u1ef7 l\u1ec7 th\u1eafng l\u00e0 55%.<\/span><\/p>\nB\u01b0\u1edbc 2: T\u00ednh R – T\u1ef7 L\u1ec7 L\u1ee3i Nhu\u1eadn Trung B\u00ecnh<\/b><\/h3>\n Sau khi x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 th\u1eafng, b\u1ea1n c\u1ea7n t\u00ednh to\u00e1n t\u1ef7 l\u1ec7 l\u1ee3i nhu\u1eadn trung b\u00ecnh R, t\u1ee9c l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa l\u1ee3i nhu\u1eadn trung b\u00ecnh m\u1ed7i khi th\u1eafng so v\u1edbi m\u1ee9c c\u01b0\u1ee3c trung b\u00ecnh m\u1ed7i l\u1ea7n.<\/span><\/p>\n. C\u00f4ng th\u1ee9c t\u00ednh R<\/b>:\u00a0<\/span><\/p>\nL\u1ee3i nhu\u1eadn trung b\u00ecnh m\u1ed7i l\u1ea7n c\u01b0\u1ee3c th\u1eafng \/ M\u1ee9c c\u01b0\u1ee3c trung b\u00ecnh m\u1ed7i l\u1ea7n<\/i><\/b><\/p>\n
. V\u00ed d\u1ee5 minh h\u1ecda<\/b>: N\u1ebfu m\u1ed7i l\u1ea7n th\u1eafng, b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c 200 \u0111i\u1ec3m v\u00e0 m\u1ed7i l\u1ea7n c\u01b0\u1ee3c b\u1ea1n \u0111\u1eb7t 100 \u0111i\u1ec3m, t\u1ef7 l\u1ec7 l\u1ee3i nhu\u1eadn trung b\u00ecnh c\u1ee7a b\u1ea1n s\u1ebd l\u00e0: R = 200 : 100 = 2<\/span><\/p>\nB\u01b0\u1edbc 3: \u00c1p D\u1ee5ng C\u00f4ng Th\u1ee9c Kelly Trong C\u00e1 \u0110\u1ed9<\/b><\/h3>\n V\u1edbi W v\u00e0 R \u0111\u00e3 x\u00e1c \u0111\u1ecbnh, b\u1ea1n b\u00e2y gi\u1edd c\u00f3 th\u1ec3 t\u00ednh t\u1ef7 l\u1ec7 Kelly \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u1ea7n tr\u0103m v\u1ed1n n\u00ean \u0111\u1eb7t c\u01b0\u1ee3c.<\/span><\/p>\n. \u00c1p d\u1ee5ng c\u00f4ng th\u1ee9c<\/b>: Kelly % = W \u2013 [(1 \u2013 W) \/ R]<\/span><\/p>\nV\u00ed d\u1ee5 v\u1edbi W = 0.55 v\u00e0 R = 2:\u00a0<\/span><\/p>\n=> <\/b>Kelly %= 0.55 – [(1 – 0.55) \/ 2] = 0.325<\/span><\/p>\nT\u1ee9c l\u00e0 b\u1ea1n n\u00ean \u0111\u1eb7t c\u01b0\u1ee3c 32.5% s\u1ed1 v\u1ed1n hi\u1ec7n c\u00f3 c\u1ee7a m\u00ecnh cho l\u1ea7n c\u01b0\u1ee3c ti\u1ebfp theo.<\/span><\/p>\nB\u01b0\u1edbc 4: X\u00e1c \u0110\u1ecbnh S\u1ed1 Ti\u1ec1n Tham Gia C\u01b0\u1ee3c<\/b><\/h3>\n D\u1ef1a v\u00e0o t\u1ef7 l\u1ec7 Kelly \u0111\u00e3 t\u00ednh, b\u1ea1n nh\u00e2n t\u1ef7 l\u1ec7 n\u00e0y v\u1edbi s\u1ed1 v\u1ed1n hi\u1ec7n c\u00f3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ed1 ti\u1ec1n c\u01b0\u1ee3c.<\/span><\/p>\nV\u00ed d\u1ee5<\/b>: N\u1ebfu b\u1ea1n c\u00f3 5.000.000 VN\u0110, s\u1ed1 ti\u1ec1n b\u1ea1n n\u00ean c\u01b0\u1ee3c l\u00e0:\u00a0<\/span><\/p>\n5.000.000 \u00d7 32.5%= 1.625.000 VN\u0110<\/span><\/p>\nV\u1edbi v\u00ed d\u1ee5 tr\u00ean, b\u1ea1n s\u1ebd \u0111\u1eb7t c\u01b0\u1ee3c 1.625.000 VN\u0110 cho l\u1ea7n c\u01b0\u1ee3c s\u1eafp t\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng chi\u1ebfn th\u1eafng c\u0169ng nh\u01b0 qu\u1ea3n l\u00fd r\u1ee7i ro m\u1ed9t c\u00e1ch khoa h\u1ecdc nh\u1ea5t.<\/span><\/p>\n