已知P(A)=0.7,P(A-B)=0.3,则[img=136x53]17e0c4e988112eb.png[/img]
举一反三
- 已知P(A)=0.7,P(A-B)=0.3,则[img=136x53]17da5cdc65b1bff.png[/img]
- 2.已知P(A)=0.6,P(B)=0.7,P([img=48x19]18035d847d3e7e9.png[/img])=0.8,则P(A-B)= A: 0.1 B: 0.2 C: 0.3 D: 0.4
- 已知P(B)=0.3,P(AUB)=0.7,则P(A-B)=
- 4.已知P(A)=0.7,P(A-B)=0.3,则P(AB)= .
- 已知P(A)=0.4,P(B)=0.3,P(A[img=10x12]17e0a83eaa7041a.jpg[/img]B)=0.6,则P(A-B)= .