“概率为50%，应至少活50人” 这句话显然不对！

来源: 500miles 于 2011-12-10 10:41:51 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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“概率为50%， 应至少活50人” 这句话显然不对！