| 概率统计中数学期望的应用举例 |
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| 引用本文： | 俞晓红,时红霞. 概率统计中数学期望的应用举例[J]. 新余高专学报, 2005, 10(2): 63-64 |
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| 作者姓名： | 俞晓红 时红霞 |
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| 作者单位： | 洛阳工业高等专科学校,计算机系,河南,洛阳,471003 |
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| 摘 要： | 通过免费抽奖问题等若干实际问题的数学解析。阐述了概率统计中的数学期望在其它学科和实际中的广泛应用。
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| 关 键 词： | 概率统计 数字特征 数学期望 应用 |
| 文章编号： | 1008-6765(2005)02-0063-02 |
| 修稿时间： | 2004-12-20 |
The application cases of mathematic anticipation in the probability statistics |
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| YU Xiao-hong,SHI Hong-xia. The application cases of mathematic anticipation in the probability statistics[J]. Journal of XinYu College, 2005, 10(2): 63-64 |
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| Authors: | YU Xiao-hong SHI Hong-xia |
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| Abstract: | Through mathematic analysis of the real problems such as drawing lotteries free of charge, this paper discusses the wide application of the mathematic anticipation of the probability statistics. |
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| Keywords: | Probability statistics Numerical characteristics Mathematic anticipation Application |
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