回复：回复：回复：回复：回复：Answer to question 3

来源: jinjing 于 2010-01-29 17:52:46 [] [旧帖] [给我悄悄话] 阅读数 : (182 bytes)
本帖于 2010-04-08 17:51:58 时间, 由版主 于德利 编辑
回答: 回复：回复：回复：Answer to question 3 由 jinjing 于 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 北鹰.

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• 回复：回复：回复：回复：回复：回复：Answer to question 3 -guest007- ♀ 给 guest007 发送悄悄话 (122 bytes) () 01/29/2010 postreply 18:38:54

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