hmmm

来源: dynamic 于 2009-11-10 02:44:00 [] [旧帖] [给我悄悄话] 阅读数 : (184 bytes)
本帖于 2009-12-19 10:42:34 时间, 由普通用户 康MM 编辑
回答: Fun Probability Question 来源: TCT 由 都是国人 于 2009-11-09 13:44:37

the probability is not symmetric this way... binomial distribution is a good direction to think about though.

i think this problem is trying to encourage people not to gamble :)

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