| 负二项分布的数字特征及条件概率的封闭性的研究 |
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| 引用本文： | 吴雪芹.负二项分布的数字特征及条件概率的封闭性的研究[J].鄂州大学学报,2006,13(3):56-57. |
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| 作者姓名： | 吴雪芹 |
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| 作者单位： | 鄂州大学,教育系,湖北,鄂州,436000 |
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| 摘 要： | 该文通过建立负二项分布的模型，讨论负二项分布的数字特征及相对于几何分布随机变量的条件概率的封闭性。
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| 关 键 词： | 负二项分布 数学期望 方差 条件概率 |
| 文章编号： | 1008-9004（2006）03-0056-02 |
| 收稿时间： | 01 9 2006 12:00AM |
| 修稿时间： | 2006-01-09 |
The discussion about properties of pascal distribution |
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| WU Xue-qin.The discussion about properties of pascal distribution[J].Journal of Ezhou University,2006,13(3):56-57. |
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| Authors: | WU Xue-qin |
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| Institution: | Department of Education, Ezhou University, Ezhou, Hubei 436000, China |
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| Abstract: | This paper builds the mode of pascal distribution and discusses its mathematical expectation, variance and the closed of conditional probability. |
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| Keywords: | Pascal Distribution mathematical expectation variance conditional probability |
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