d***a
发帖数: 316 | 1 看上去很简单，可是我的结果与答案不一致，请指教。
A group of 6 men and 6 women is randomly divided into 2 groups of size 6
each. What is the probability that both groups will have the same number of
men? | r*******y
发帖数: 1081 | 2 (6, 3) * (6, 3) / (12, 6) ?
(6, 3) means 6 chooses 3.
of
【在 d***a 的大作中提到】
: 看上去很简单，可是我的结果与答案不一致，请指教。
: A group of 6 men and 6 women is randomly divided into 2 groups of size 6
: each. What is the probability that both groups will have the same number of
: men?
| d***a
发帖数: 316 | 3 谢谢。
和我的想法一样，可是算出的结果与答案不符。
也许答案错了。本来挺简单一题。 |
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