回複:回複:本來就不是什麽條件概率

來源: 2011-02-03 09:23:52 [舊帖] [給我悄悄話] 本文已被閱讀:

jinjing討論的就是a one-shot case.

如果原題中"probability of seeing a shooting star"指的是"probability of seeing at least one shooting star",那布衣的算法就很好,不必討論了.