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体育赛事对局结果预测
引用本文:刘凤霞.体育赛事对局结果预测[J].数学学习,2011(4):45-47.
作者姓名:刘凤霞
作者单位:抚顺师范高等专科学校初等教育二系,辽宁抚顺113006
摘    要:甲乙双方展开系列赛,每局必分胜负,那么,若要分出输赢,平均需要比赛多少局?通过实例对这一问题进行研究:将胜负概率的乘积作为一个整体,由此可获得一个一般性公式,并以斯诺克比赛为例,介绍其应用.

关 键 词:体育比赛  概率  数学期望  斯诺克

Expected Number of Games in a Series
LIU Feng-xia.Expected Number of Games in a Series[J].Studies In College Mathematics,2011(4):45-47.
Authors:LIU Feng-xia
Institution:LIU Feng-xia (Second department of primary education, Fushun normal college, Fushun 113006, PRC)
Abstract:Consider two teams competing with each other in a best-of-N series. The first team winning the majority of the games wins the series while the remaining games are discarded. What is the expected number of games in this series? Through examples, the author obtains a generalized formula by looking into all probabilities of winning and losing combinations. An application in Snooker ~ame is also orovided.
Keywords:past games  probability  expectation  Snooker
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