A. $P(A\overline{B})=0.32$
B. $P(\overline{AB})=0.2$
C. $P(B-A)=0.4$
D. $P(\overline{B}A)=0.48$
A、B为两事件，若P(A∪B)=0.8，P(A)=0.2，P(bar(B))=0.4，则（）成立A. P(A$\bar{B}$)=0.32B. P($\bar{
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))=() .
【题目】12.设A,B是两个随机事件,若 P(A∪B)=0.8 ,P(A)=0.2, P(B)=0.4 ,则【题目】12.设A,B是两个随机事件,若 P(A∪B
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
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设 A B 为任意两个事件 CB，P ( A ) = 0.2 , P ( B ) = 0.4 则 P ( B - A ) = ( ) ( A ) 0.1 (
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)=