191问答库 > 数理统计中四种常用的概率分布是什么？分别是如何定义的

数理统计中四种常用的概率分布是什么？分别是如何定义的

2025-03-15 11:15:49
推荐回答（1个）
回答1：

几何分布（Geometric distribution）是离散型机率分布。 其中一种定义为：在第k次伯努利试验，才得到第一次成功的机率。详细的说，是：做k次试验，前k-1次皆失败,第k次才成功的机率. 其中 X为第k次才成功的概率, k为实验次数, p为每次实验成功的

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