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.
guest007
2010-01-29 18:38:54回复:回复:回复:回复:回复:回复:Answer to question 3