The problem is not clear.

來源: 亂彈 於 2010-03-30 18:30:30 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (84 bytes)

Probably it asks for the probability P of 13 | Xn for some n. Then the answer is 1.

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• 回複：The problem is not clear. -jinjing- ♀ 給 jinjing 發送悄悄話 (76 bytes) () 03/30/2010 postreply 20:32:58

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