巳知 P(A)=0.4 ,P(B)=0.25 ,P(A-B)=0.25 ,求P(AB), (Acup B) ,P(B-A) ,P(AB).-|||-已知 P(A)=0.4 ,P(BA)=0.2 ,(Coverline (A)B)=0.1 ,求 P(A+B+C) -

[题目]已知AC B, P(A)=0.4 , P(B)=0.6 ,求-|||-(1)P(A),P(B);-|||-(2) (Acup B) ;-|||-(3)P

7.设A,B,C为三个事件,求下列各题:-|||-(1)若 P(A)=0.4 ,P(B)=0.25 ,P(A-B)=0.25 ,求 P(B-A) .-|||-(

2.设A,B是两个事件,已知P(A)=0.25,P(B)=0.5, P(AB)=0.125,求(Acup B), P(AB),P(AB),-|||-__ __

已知P(A)=0.4,P(B)=0.3,P(AB)=0.2，则P(A-B)的值为A. 0.1B. 0.2C. 0.3D. 0.4

求-|||-(1)P(A),P(B ); (2)P(AB);-|||-(3) (Acup B); (4)P(AB);-|||-(5)P(AB),P(BA).

已知 P(A)=0.6 , (AB)=0.4, 则 P(A-B)= () 。-|||-(A)0.4; (B)0.2 (C)0.24 (D)0.6.

5.已知P(A)=0.7，P(B)=0.5，(Acup B)=0.9，则P(AB)=( )A、0.3 B、0.2 C、0.5

设 P(A)=0.2 ， P(B)=0.3 ， P(A∪B)=0.4 ，则 P(AB)=()设

2.对于任意的事件A、B、C，已知 P(A)=0.6, P(B)=0.4, P(C)=0.2, 求:(1) P(Aoverline(B))=0.3, 求 P(A

(Acup B)P(AB)leqslant P(A)P(B) B (AB)geqslant P(A)P(B)(Acup B)P(AB)leqslant P(A)