回复:回复:回复:回复:回复:Answer to question 3

来源: jinjing 2010-01-29 17:52:46 [] [旧帖] [给我悄悄话] 本文已被阅读: 次 (182 bytes)
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回答: 回复:回复:回复:Answer to question 3jinjing2010-01-29 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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