英语翻译离散型随机变量数学期望的求法摘要：本文举出离散型随机变量数学期望的几种求法,包括定义法,分解法,利用对称性,套用已有公式,借助递推法,母函数法等,以及在现实中的运用.关

英语翻译离散型随机变量数学期望的求法摘要：本文举出离散型随机变量数学期望的几种求法,包括定义法,分解法,利用对称性,套用已有公式,借助递推法,母函数法等,以及在现实中的运用.关
英语翻译
离散型随机变量数学期望的求法
摘要：本文举出离散型随机变量数学期望的几种求法,包括定义法,分解法,利用对称性,套用已有公式,借助递推法,母函数法等,以及在现实中的运用.
关键词：离散型随机变量；分布列；数学期望

英语翻译离散型随机变量数学期望的求法摘要：本文举出离散型随机变量数学期望的几种求法,包括定义法,分解法,利用对称性,套用已有公式,借助递推法,母函数法等,以及在现实中的运用.关
Abstract:This article cited Discrete Random Variable Expectation law,including the definition of method,decomposition method,using symmetry,the formula has been applied,using recursion,generating function method,as well as in the real world use.
Keywords:discrete random variables; distribution of the column; mathematical expectation

Discrete random mathematical expectation is introduced
Abstract: in this article use discrete random mathematical expectation, including the definition of several solution method, using the method...

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Discrete random mathematical expectation is introduced
Abstract: in this article use discrete random mathematical expectation, including the definition of several solution method, using the method of decomposition, symmetry, applying existing formula, using a recursive method, such as function method and the application in reality.
Keywords: a discrete random variable, Distribution. Mathematical expectation
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Discrete random mathematical expectation is introduced..
Abstract: in this article use discrete random mathematical expectation, including the definition of several solution method, using the meth...

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Discrete random mathematical expectation is introduced..
Abstract: in this article use discrete random mathematical expectation, including the definition of several solution method, using the method of decomposition, symmetry, applying existing formula, using a recursive method, such as function method and the application in reality.
Keywords: a discrete random variable, Distribution. Mathematical expectation,就是这些了

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Abstract:
in this article use discrete random mathematical expectation, including the definition of several solution method, using the method of decomposition, symmetry, applying existing formula...

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Abstract:
in this article use discrete random mathematical expectation, including the definition of several solution method, using the method of decomposition, symmetry, applying existing formula, using a recursive method, such as function method and the application in reality.
Keywords: a discrete random variable, Distribution.,Mathematical expectation

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