回複：回複：回複：回複：回複：Answer to question 3

來源: jinjing 於 2010-01-29 17:52:46 [] [舊帖] [給我悄悄話] 閱讀數 : (182 bytes)
本帖於 2010-04-08 17:51:58 時間, 由版主 於德利 編輯
回答: 回複：回複：回複：Answer to question 3 由 jinjing 於 2010-01-29 12:06:58

Sorry,you are great, you talk about question 10, you're right.let me do it again,
P(rb)=.15*.8+.85*.2=.29
P(b/rb)=.12/.29=.4137931
I'm very sorry, thinking you were 北鷹.

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