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题目来源1 : 数学经典1685题
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难度：2
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If Event X happens, it has five possible outcomes (A, B, C, D and E) in total. The probability that outcome A, B and D respectively occurs is listed as follows. If the probability that outcome C occurs is twice the probability that outcome E occurs, then what is the probability that outcome C occurs?
Give your answer as a fraction.
Give your answer as a fraction.2 /9显示答案
· 相关考点
6.4.2 互斥事件与对立事件
6.4.2 互斥事件与对立事件
以上解析由 考满分老师提供。
