这个问题叫Monty Hall problem，好多统计与概率书中讲过

来源: SanShaoYe 于 2018-12-29 19:47:05 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Change Ad Consent