| 一个组合公式的概率证明和代数证明 |
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| 引用本文： | 靳志勇.一个组合公式的概率证明和代数证明[J].华北水利水电学院学报,2006,27(3):110-112. |
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| 作者姓名： | 靳志勇 |
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| 作者单位： | 华北水利水电学院,河南郑州450011 |
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| 摘 要： | 通过一个概率问题,给出二项分布与负二项分布的一种联系,从而建立一个组合公式,并由概率思维方式与代数方式给出证明.
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| 关 键 词： | 概率 二项分布 负二项分布 |
| 文章编号： | 1002-5634（2006）03-0110-03 |
| 收稿时间： | 2006-04-10 |
| 修稿时间： | 2006-06-01 |
A Composed Formula Proved by Way of Probability and Algebra |
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| JIN Zhi-yong.A Composed Formula Proved by Way of Probability and Algebra[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power,2006,27(3):110-112. |
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| Authors: | JIN Zhi-yong |
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| Affiliation: | North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, China |
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| Abstract: | Through a probability problem, a connection is showed between binomial distribution and negative binomial distribution and therefore a composed formula is set up, which is proved by way of probability and algebra. |
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| Keywords: | probability binomial distribution negative binomial distribution |
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