决胜21点

评分：

6.0 还行

原名：21又名：斗智21点(港) / 玩转21点 / 攻陷拉斯维加斯 / 21 - The Movie / 21: Blackjack

分类：剧情 / 犯罪 / 地区：美国年份：2008

简介：

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更新时间:2012-07-15

决胜21点影评：车与羊的选择分析

所有选择情况与概率汇总

一开始选择的门·····被被翻出的门······剩下的门······总概率
··································羊A（1/2）········羊B（1）·····1/6
·······车（1/3）·································································
··································羊B（1/2）········羊A（1）·····1/6
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··································羊B（1）···········车（1）·······1/3
·······羊A(1/3)···································································
···································车（0）···········羊B（1）·······0
----------------------------------------------------------------------
···································羊A（1）··········车（1）········1/3
·······羊B(1/3)····································································
····································车（0）···········羊A（1）·······0
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综上所述，改选后是车的概率是2/3。