An most importantly, why is the day of birth relevant?

来源: naeconi 于 2010-05-28 14:38:53 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: 回复：If you are right,it shoul be from real data.P(b)=13/27 由 guest007 于 2010-05-28 12:51:57

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