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A certain bag contains 4 coconut cookies and 6 chocolate chip cookies. Luis picks one cookie at random and it is a coconut cookie, which he puts back in the bag. If he is to select another cookie at random, what is the probability that it will also be coconut?
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6.4.3 独立事件
6.4.3 独立事件
以上解析由 考满分老师提供。
