sorry, it should be 155/1296

來源: Mr.Coffee 於 2010-03-02 11:31:11 [] [舊帖] [給我悄悄話] 閱讀數 : (209 bytes)

For the first round, the chance for the 1st person to win is 1/6, for the second person is 1/6x5/6=5/36， for the third person 1/6x5/6x31/36=155/1296. For the second round, the probability should be the same.

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