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摸彩决策的数学模型 被引量:3

The Mathematical Model of Scheme to Draw the Tickets
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摘要 生活中 ,摸彩的人们总以为越先摸 ,中彩的可能性越大 ,其实不然 !为此本文从概率角度建立了数学模型 ,证明了每个摸彩者中彩的机会均等 ,与先后摸彩顺序无关 .同时 ,通过分析在中彩时 ,已摸过的彩票数目的数学期望 ,向彩票发行者提出了几点建议 . In daily day, people drawing the lottery tickets at random, assume that the earlier they draw, the more likely they are to win the prize. Acctually, that is not the case! The chances to win the prize are demonstrated, by making mathematcal model at the angle of probability, eaqual to everyone, but nothing to do with the order to draw in.\;At the same time, according to analysis the mathematic expectation of the number of drawed tickets, this essay is trying to raise some advice for the department responsible for the work to conside.
出处 《数学的实践与认识》 CSCD 北大核心 2001年第2期140-142,共3页 Mathematics in Practice and Theory
关键词 摸彩 中彩 彩票 概率 数学期望 数学模型 drawing the lottery tickets wining the prize in the lottery lottery tickets probability mathematical expectation
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参考文献3

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同被引文献16

  • 1胡炳生.彩票中的概率统计问题[J].中学数学教学,2001(4):9-11. 被引量:4
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  • 3陈侠,樊治平.基于不同偏好信息的评价专家水平研究[J].系统工程理论与实践,2007,27(2):27-35. 被引量:16
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