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When X and Y competes with each other (no ties), the probability that X wins is twice the probability that Y wins. What is the probability that Y wins for three consecutive times?
Give your answer as a fraction.
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· 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。
