12、设A与B是两个事件,已知 P(A)=0.5 (B)=0.7, (Acup B)=0.8, 处-|||-P(AB)= __-|||-(A)0.1 (B)0.
设A,B为两个随机事件,P(A)=0.5,P(A)=0.5,则P(A)=0.5.A.0.1B.0.2C.0.3D.0.7设A,B为两个随机事件,,,则.A.0.
4.设A,B为两个随机事件,且 (A)=0.7, (A-B)=0.3, 则 (overline (AB))= __
4.单选题-|||-A B 为随机事件,若 (B)=0.5, (A,B)=0.4,-|||-则下列结论不正确的是()。 ()-|||-A (AB)=0.2.-|
设P(B)=0.5,P(overline(AB))=0.3,则P(A|B)=____.10.(填空题,11分) 设P(B)=0.5,$P(\overline{A
设 A, B 为两个事件,且 P(A) = 0.7,P(A-B) = 0.3,求 P(overline(AB))。 设 A, B 为两个事件,且 $P(A) =
(3)设A,B为随机事件, (A)=0.6, (A-B)=0.3, 则 (overline (AB))= __
设 A ,B 为随机事件且 ,P(A)=0.5,P ( AB ) = 0.3 则 P ( AB) = ( ) A 0.15 B 0.35 C 0.2 D 0.8
B为任意的两个事件,P(A) =0.5,P(B) =0.2,P(B-A) =0.1,求P(AB) ,(Aoverline (B)) ,P(AUB) ,(Aove
已知A、B两个事件满足条件 (AB)=P(overline (A)B), 且 (A)=p,则P(B)=_______则P(B)=_______