设P(A)=(1)/(3),P(B)=(1)/(4),P(A∪B)=(1)/(2),求P(overline(A)∪overline(B)),P(overline
4.已知事件A与B相互独立,且P(overline(AB))=(1)/(9),P(overline(AB))=P(overline(AB)),求P(A),P(B
设事件A,B相互独立,且P(overline(A)∩overline(B))=(1)/(9),P(Aoverline(B))=P(overline(A)B),则
(A)P(overline(AB))=0; (B)P(AB)=P(A.)P(B.); (C.)P(A)=1-P(B); (D.)P(overline(A)c
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) =
5.设随机事件A,B,C的概率都是 1/2, 且 (ABC)=P(overline (A)cap overline (B)cap overline (C)) ,
1.已知 P(A)=1/2 , P(B)=1/3 , (AB)=1/10, 则 (overline (A)cap overline (B))= __
已知P(A)=0.4,P(B)=0.3,P(B|overline(A))=0.4.求:(1)P(overline(A)B);(2)P(overline(A)ov
1.设随机事件A,B互不相容,P(A)=p,P(B)=q,则P(overline(AB))=____。A. (1-p)qB. pqC. qD. p
5.设事件A,B满足条件 (AB)=P(overline (A)B), 且 (A)=p, 则 P(B)=-|||-__