| 负二项分布的推广 |
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| 引用本文： | 赵艳霞,常宏.负二项分布的推广[J].白城师范学院学报,2008(6). |
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| 作者姓名： | 赵艳霞 常宏 |
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| 作者单位： | 白城师范学院数学系; |
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| 摘 要： | 本文主要是在二项分布,多项分布,负二项分布的基础上,把负二项分布进一步推广,给出负N项分布的定义,推导出它的概率分布,并计算出其数学期望和方差.
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| 关 键 词： | 负二项分布 负N项分布 概率分布 数学期望 方差 |
The Promotion for the Negative Binomial Distribution |
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| ZHAO Yah-xia CHANG Hong.The Promotion for the Negative Binomial Distribution[J].Journal of Baicheng Normal College,2008(6). |
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| Authors: | ZHAO Yah-xia CHANG Hong |
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| Institution: | ZHAO Yah-xia CHANG Hong(Math Department,Baicheng Normal College,Baicheng 137000,China) |
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| Abstract: | This article is mainly on the basis of the binomial distribution,the multinomial distribution,in the negative binomial distribution foundation to promote the negative binomial distribution fatherly,to give the negative term distributed definition,to infer its probability distribution and to calculate its mathematic expectation and the variance. |
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| Keywords: | Negative binomial distribution negative N distribution probability distribution mathematic expectation variance |
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