设$A$，$B$，$C$为三个事件，且$P\left(\overline{A}\cup \overline{B}\right)=0.9$，$P\left(\overline{A}\cup \overline{B}\cup \overline{C}\right)=0.97$，则$P\left(AB-C\right)=$ .
设A，B，C为三个事件，且(overline (A)cup overline (B))=0.9-|||-__ __，(overline (A)cup overl
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))=() .
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 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
随机事件 A,B 满足 (A)=P(B)=dfrac (1)(2), 且 (Acup B)=1, 则 (overline (A)cup overline (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)=
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
设事件A，B相互独立，且P（overline(A)∩overline(B)）=(1)/(9)，P（Aoverline(B)）=P（overline(A)B），则