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- 2011-2-1
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On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains.If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the following Monday?
A.0.008 B.0.128 C.0.488 D.0.512 E.0.640 求解!我发现这些概率的题目总会做错,哪位高手可以解救一下我! |
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