| 正态随机变量线性组合的分布探讨 |
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| 引用本文： | 吕黎明.正态随机变量线性组合的分布探讨[J].绍兴文理学院学报,2005(3). |
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| 作者姓名： | 吕黎明 |
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| 作者单位： | 襄樊学院数学系 湖北襄樊441053 |
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| 摘 要： | 文章构造两例,分别说明两个正态随机变量之和不是正态随机变量,而n个(n≥3)正态随机变量之和亦不是正态随机变量,对教学具有一定的指导意义.
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| 关 键 词： | 正态 分布 随机变量 线性组合 |
The Research on the Distribution of Linear Combination of Normal Random Variables |
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| Lu Liming.The Research on the Distribution of Linear Combination of Normal Random Variables[J].Journal of Shaoxing College of Arts and Sciences,2005(3). |
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| Authors: | Lu Liming |
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| Abstract: | This paper constructs two examples to explain the sum of two nomal random variables is not nomal random variable,the sum of n nomal random variables is not the nomal random varible either.This conclusion is of direct significance for teaching. |
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| Keywords: | normal distribution random variable linear combination |
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