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还有一题。大牛,帮帮忙!!(钱永强的一条例子题)
The probability of a is 60%, and the probability of b is 50%. what is the most possible probability that neither a or b would happen?
答案是0。4,可我总算不对。
我的算法是(1-60%)*(1-50%)=20%。难道我又错了?
天啊,帮帮我把。 |
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