A. $\frac{1}{9}$
B. $\frac{1}{3}$
C. $\frac{1}{6}$
D. $\frac{2}{3}$
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))=() .
4.已知事件A与B相互独立，且P(overline(AB))=(1)/(9)，P(overline(AB))=P(overline(AB))，求P(A)，P(B
设事件A、B相互独立，P(A)=0.2，P(B)=0.7，则P(A∪overline(B))=（）.A. 0.24B. 0.34C. 0.44D. 0.84
设P（A）=0.5，P（Aoverline(B)）=0.3，则P（overline(B)|A）= ____ ．设P（A）=0.5，P（A$\overline{B
设A，B，C为三个事件，且P(overline(A)cup overline(B))=0.9，P(overline(A)cup overline(B)cup o
设P（A）=(1)/(3)，P（B）=(1)/(4)，P（A∪B）=(1)/(2)，求P（overline(A)∪overline(B)），P（overline
设P(A)=0.5，P(B|A)=0.6，P(overline(A)B)=0.1，则P(overline(A)cap overline(B))=( )A. 0
1.设 (AB)=P(overline (A)overline (B)), 且 (A)=p, 求P(B).
9.设P(Acup B)=0.6，P(overline(AB))=0.4，P(B)=0.5则P(overline(Acap B))=_.9.设$P(A\cup
5.设事件A,B满足条件 (AB)=P(overline (A)B), 且 (A)=p, 则 P(B)=-|||-__