回複：What about the chance of staying on the ladder?

來源: crazy_math 於 2009-08-07 02:22:02 [] [舊帖] [給我悄悄話] 閱讀數 : (133 bytes)
回答: If there are m steps up and n steps down 由 屋漏痕 於 2009-07-17 10:55:12

This will never happen. Since in random walk, it can be proved that the probablity to hit any point within limited steps is always 1.

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