老朱把条件概率没搞明白，还敢称统计学专家。已经60岁了，活到70岁的概念肯定大于50%，如果无条件概念是50%的话。

来源: QualityWithoutName 于 2025-01-05 14:40:05 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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