![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[主观题]
设A、B为两个事件,P(A)=0.4,P(B)=0.8,P()=0.5,则P(B│A)=()A.0.45B.0.55C.0.65D.0.75
设A、B为两个事件,P(A)=0.4,P(B)=0.8,P()=0.5,则P(B│A)=()
A.0.45
B.0.55
C.0.65
D.0.75
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
设A、B为两个事件,P(A)=0.4,P(B)=0.8,P()=0.5,则P(B│A)=()
A.0.45
B.0.55
C.0.65
D.0.75
A.P(A)
B.P(AB)
C.P(AIB)
D.1
A.P(A)+P(B)
B.P(A)+P(B)-P(AB)
C.P(A)+P(B)-P(A)P(B)
D.1-P(A)-P(B)
A.5/12
B.1
C.3/4
D.7/12
A.P(B|A)>0
B.P(A|B)=P(A)
C.P(A|B)=0
D.P(AB)=P(A)P(B)