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There are 5 red balls, 3 blue balls and 2 yellow balls in the first box. These balls are the same except that they are different in color. There are 8 red balls and 2 yellow balls in the second box. Randomly select one ball from each box, what is the probability at least one of the two balls is yellow?
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· 相关考点
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。
