来自李维忠的问题
设P(A)=0.5,P(AB)=0.4,则P(B|A)=___________.
设P(A)=0.5,P(AB)=0.4,则P(B|A)=___________.
1回答
2020-05-19 14:45
设P(A)=0.5,P(AB)=0.4,则P(B|A)=___________.
设P(A)=0.5,P(AB)=0.4,则P(B|A)=___________.
P(B|A)=P(AB)/P(A)=0.8.