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回复:回复:回复:回复:回复:Answer to question 3

jinjing 2010-01-29 17:52:46 ( reads)

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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guest007

2010-01-29 18:38:54

回复:回复:回复:回复:回复:回复:Answer to question 3