回複:從連續拋硬幣引出的概率題。

來源: 2011-09-20 10:01:56 [博客] [舊帖] [給我悄悄話] 本文已被閱讀:

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.