题目5.[单选题] 设P(A)=0.7,P(A-B)=0.3,P(B-A)=0.2,则P(overline(AB))=()A. 0.2B. 0.1C. 0.8D. 0.65.[单选题] 设P(A)=0.7,P(A-B)=0.3,P(B-A)=0.2,则P($\overline{AB}$)=()A. 0.2B. 0.1C. 0.8D. 0.6题目解答答案B. 0.1