(1)设事件A与B相容,则有 ()-|||-(A) (Acup B)=P(A)+P(B);-|||-(B) (Acup B)=P(A)+P(B)-P(AB);-|||-(C) (Acup B)=1-P(overline (A))-P(overline (B));-|||-(D) (Acup B)=1-P(A)P(overline (B))

(Acup B)P(AB)leqslant P(A)P(B) B (AB)geqslant P(A)P(B)(Acup B)P(AB)leqslant P(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),-|||-__ __

2.设A,B是两个事件,已知 P(A)=1/4 (B)=1/2, (AB)=1/8, 求 (Acup B),-|||-P(AB),P(AB ), [ (Acup

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

事件A、B相互独立，P(A)=(1)/(3)，P(B)=(1)/(2)，则P(Acup B)=（）A. $\frac{1}{2}$B. $\frac{1}{3}

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

已知(overline (Acup B))=0.2 P(B)=0.5，问（1），P(A-B)= ;(2)(overline (Acup B))=0.2

[题目]设 P(A)=a , P(B)=b , (Acup B)=c ,则-|||-P(AB)为 ()-|||-A、 a-b-|||-B、 c-b-|||-C、

设事件A, B, (A)gt 0 (B)gt 0, 且 A⊆B , 则下列命题正确的是 __-|||-(A) (Acup B)=P(A)+P(B)-|||-(B

3.设事件A与B互不相容，且P(B)=0.4，P(Acup B)=0.8，则P(overline(A))=_____.3.设事件A与B互不相容，且P(B)=0.