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关注：1
2013-05-23 12:21
求翻译：理解随机变量的数学期望与方差的定义和性质是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
理解随机变量的数学期望与方差的定义和性质
问题补充： |
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2013-05-23 12:21:38
Understand the mathematical expectation of random variable with the variance of the definition and nature of
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2013-05-23 12:23:18
Understanding the mathematical expectation random variable definition and nature of the difference between the parties
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2013-05-23 12:24:58
Understands the random variable the mathematic expectation and the variance definition and the nature
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2013-05-23 12:26:38
Understanding mathematical expectation and variance of random variable definitions and properties
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2013-05-23 12:28:18
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