7.设事件A与B互不相容, (A)=0.4, (B)=0.3, 求P(AB)与 (overline (Acup B)).

设事件A与B互不相容, P(A)=0.4 ,P(B)=0.3 ,则-|||-(overline (A)overline (B))= __ , (overline

设事件A与B互不相容, P(A)=0.4 ,P(B)=0.3 ,则-|||-.(overline (A)overline (B))= __ , (overlin

设事件A与B互不相容, (A)=0.4, P(B)=0.3 ,则-|||-(overline (A)B)= __ , (overline (A)cup 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.

若(A)=0.3, P(B)=0.4,且事件(A)=0.3, P(B)=0.4与(A)=0.3, P(B)=0.4互不相容，则(A)=0.3, P(B)=0.4

1.若事件A和事件B互不相容,且 (B)=0.3, 则 (Acup overline (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

设随机事件A与B互不相容，P（A）=0.2，P(B)=0.4，则P（B|A）=（ ）A. 0B. 0.2C. 0.4D. 1

[问答题]设随机事件A，B互不相容，且P（A）=0.7，P（B）=0.3，则P（AB）=（）．

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