对，所谓条件概率中的条件，就是指新的信息，有了新的信息概率才会提高。主持人瞎选，显然无新的信息。

来源: QualityWithoutName 于 2024-02-21 05:37:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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