[計量] 請教一個機率問題。
A certain five-member committee must be assembled from a pool of five
women-A, B, C, D, and E, and three men-X, Y, and Z,
what is the probability that the committee will include B, C, E, Y, and Z?
答案是 1/30,可是我怎麼推算都算不出來,
可否請各位板友幫忙推算?謝謝。
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10/18 16:20, , 1F
10/18 16:20, 1F
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10/18 16:21, , 2F
10/18 16:21, 2F
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10/18 16:21, , 3F
10/18 16:21, 3F
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10/18 16:22, , 4F
10/18 16:22, 4F
推
10/18 16:28, , 5F
10/18 16:28, 5F
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10/18 16:36, , 6F
10/18 16:36, 6F
推
10/18 20:11, , 7F
10/18 20:11, 7F
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10/18 20:13, , 8F
10/18 20:13, 8F
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10/18 20:14, , 9F
10/18 20:14, 9F