10.设事件A,B,C两两独立,其概率分别为0.2,0.4,0.6, (Acup Bcup C)=0.76, 则-|||-概率 (overline (A)cup overline (B)cup overline (C))= __

设 P(A)=0.3, P(B)=P(C)=0.2，且事件 A, B, C 两两互不相容，则 P(overline(A cup B cup C))= ( ).A

设A，B，C为三个事件，且P(overline(A)cup overline(B))=0.9，P(overline(A)cup overline(B)cup o

5.设A,B,C为三个随机事件,且 (overline (A)cup overline (B))=0.8 (overline (A)cup overline (

设随机事件A,B相互独立, P(A)=0.2 ,P(B)=0.5 ,则 (overline (A)cup overline (B))=() .

1.已知事件A,B,C,则以下结论错误的是 () .-|||-(a) overline (AB)=overline (A)cup overline (B) (b

设A，B，C为三个事件，且(overline (A)cup overline (B))=0.9-|||-__ __，(overline (A)cup overl

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

(1)(overline(AB)cup C)(overline(AC)); (2)(Acup B)(Acupoverline(B)).6.证明:(Acup B

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)=