| 第r次成功发生的重复独立试验概型 |
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| 引用本文： | 李德有.第r次成功发生的重复独立试验概型[J].鞍山科技大学学报,1992(2). |
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| 作者姓名： | 李德有 |
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| 作者单位： | 鞍山钢铁学院基础部 |
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| 摘 要： | 由第r次成功发生的重复独立试验概型给出了负二项分布的定义。对服从负二项分布的随机变量论证了它的数学期望、方差和两种极限分布。
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| 关 键 词： | 重复独立试验 负二项 极限分布 |
Probability Model of Repeated Independent Trials for the rth Success to Occur |
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| Li Deyou.Probability Model of Repeated Independent Trials for the rth Success to Occur[J].Journal of Anshan University of Science and Technology,1992(2). |
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| Authors: | Li Deyou |
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| Institution: | Division of Basic Courses |
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| Abstract: | The definition of the negative binomical distribution is given when a probability model of repeated independent trials is to occur for the rth success. The mathematical expectation, variance and two kinds of the limit distrbution of a random variable for obeying the negative binomial distribution are proved. |
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| Keywords: | repeated independent trials negative binomial limit distribution |
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