回複：回複：C H A G E　ＦＲＯＭ 3)

來源: endofsuburbia 於 2010-02-05 12:04:09 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (213 bytes)
回答: C H A G E　ＦＲＯＭ 3) 由 jinjing 於 2010-02-03 11:56:26

Let x=.263 and y=.386, assuming the first guy shoot in the air on first shot.

P(c) = (1-y)*(1-x) = .45
P(b) = y * (1-x) * y / (1-(1-x)*(1-y)) = .20
P(a) = 1- P(c) - P(b) = .35

Am I missing sth?

所有跟帖： 

• 回複：回複：回複：C H A G E　ＦＲＯＭ 3) -guest007- ♀ 給 guest007 發送悄悄話 (146 bytes) () 02/06/2010 postreply 17:17:37

• 回複：回複：回複：C H A G E　ＦＲＯＭ 3) -Jinjing- ♀ 給 Jinjing 發送悄悄話 (243 bytes) () 02/07/2010 postreply 11:18:41

請您先登陸，再發跟帖！