[题目]已知 (A)=dfrac (1)(2)-|||-(1)若A,B互不相容,求P(AB);-|||-(2)若 (AB)=dfrac (1)(8) 求P(AB).

[题目]设A,B,C是随机事件,A,c互不相容,-|||-(AB)=dfrac (1)(2) ,P(C)=1/3, 则 (AB|C)= __-|||-_.

设事件A,B,C满足,A,C互不相容, P(AB)=1/2 (C)=1/3, 求P((AB)|C).

2.设事件A,B的概率分别为 dfrac (1)(5) 和 dfrac (1)(2), 试在情况一:A与B互不相容;情况二:A⊆B-|||-下,分别求P(AB)

[题目]设A,B是两事件,已知 (A)=dfrac (1)(4) (B)=-|||-1/2, (AB)=dfrac (1)(8), 求 (Acup B)(ov

4.设A,B,C为随机事件,且A,C互不相容,P(AB)=1/2 P(C)=1/3,求P(AB|→C).4.设A,B,C为随机事件,且A,C互不相容,P(AB)

4.设A,B,C为随机事件,且A,C互不相容,P(AB)=(1)/(2),P(C)=(1)/(3),求P(AB|overline(C)).4.设A,B,C为随机

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

3.设A,B是两个事件,且 (A)=dfrac (1)(3), (B)=dfrac (1)(2), 试在下列三种情况下,求P(AB),-|||-(1) (AB)

1.如果随机事件A与B互不相容，则P(AB)=P(A)P(B).1.如果随机事件A与B互不相容，则P(AB)=P(A)P(B).

37.设P(A)=0.4，P(B)=0.5，若A、B互不相容，则P(overline(AB))=_____.37.(填空题，2.0分)设P(A)=0.4，P(B