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蒙提霍尔问题

💡 原文中文，约300字，阅读约需1分钟。

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内容提要

蒙提霍尔问题（三门问题）源自博弈论：三扇门中一扇后有汽车，另两扇后是山羊。参赛者选一扇后，主持人打开另一扇有山羊的门，并问是否换门。文章通过手推该问题，分析保持原选择与换门两种策略下赢得汽车的概率。

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