已知P (A)=0.5,p (B)=0.6,P(AlJ B)=0.8,则P(A B)=()
2023-11-02中级质量专业理论与实务
已知P (A)=0.5,p (B)=0.6,P(AlJ B)=0.8,则P(A B)=()
A.0. 2
B.0. 3
C.0. 4
D.0. 5
正确答案是B

已知P (A)=0.5,p (B)=0.6,P(AlJ B)=0.8,则P(A B)=()
A.0. 2
B.0. 3
C.0. 4
D.0. 5
正确答案是B