| 三维随机变量在长方体内取值概率公式的一种证明 |
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| 引用本文： | 肖杰华.三维随机变量在长方体内取值概率公式的一种证明[J].青海师范大学学报(自然科学版),2008(3):12-14. |
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| 作者姓名： | 肖杰华 |
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| 作者单位： | 青海卫生职业技术学院,青海,西宁,810000 |
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| 摘 要： | 本文给出了二维随机变量在长方形内取值概率公式的一种新的证明方法，比已有证明直观、易懂，并用这种方法给出了三维随机变量在长方体内取值概率公式的证明．
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| 关 键 词： | 二维随机变量 三维随机变量 分布函数 |
A new proving of the probability formula of the three dimensions random variable in the rectangular |
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| XIAO Jie-hua.A new proving of the probability formula of the three dimensions random variable in the rectangular[J].Journal of Qinghai Normal University(Natural Science Edition),2008(3):12-14. |
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| Authors: | XIAO Jie-hua |
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| Institution: | XIAO Jie - hua ( Qinghai Health Technical Institute, Xining 810000, China ) |
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| Abstract: | In the paper, we give a new method for proving the probability formula of the two dimensions random variable in the rectangular, which is more intuitive and easier to understand. We also give the proof of 3D random variable in the cuboid by using this method. |
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| Keywords: | the two dimensions random variable 3D random variable distribute function |
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