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什么是抽签原理
更新时间: 2020-09-17 00:00:00  

抽签原理来自全概率公式,是指抽签的顺序和中签的概率无关。例如十万张彩票如果只有10个特等奖,则被十万个人抽去,无论次序如何,每个人的中奖概率都是十万分之十,即万分之一。这在概率论中叫抽签原理。

关键词: 什么 抽签 原理

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