回複：從連續拋硬幣引出的概率題。

來源: endofsuburbia 於 2011-09-20 10:01:56 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (263 bytes)
回答: 從連續拋硬幣引出的概率題。 由 wxcfan123 於 2011-09-17 16:38:04

All 8 possibilities of B are equally likely to appear. The difference is that the appearance of 000 and 111 are more concentrated. For example, 0000 counts as 2 appearances of 000. For this reason, it takes more tries to get the first 000 or 111.

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