4.设A,B为两个随机事件,且 (A)=0.7, (A-B)=0.3, 则 (overline (AB))= __
设A,B为随机事件, (A)=0.7, (A-B)=0.3, 则P(AB)=_______=_______
4【填空题】设A,B为随机事件,P(A)=0.7,P(A-B)=0.3,则P(overline(AB))=____4【填空题】设A,B为随机事件,P(A)=0.
设P(A)=0.7,P(A-B)=0.3,则P(overline(AB))= ____ .设P(A)=0.7,P(A-B)=0.3,则P($\overline{
[问答题]设A、B为随机事件,已知P(A)=0.7,P(B)=0.5,P(A-B)=0.3,则P(AB)=().
设A,B为两个随机事件,且P(A)=0.7,P(A-B)=0.3,则P(AB)=()。设A,B为两个随机事件,且P(A)=0.7,P(A-B)=0.3,则P(A
[题目]设A,B为随机事件 (A)=0.7, (A-B)=0.-|||-3,则 P(AB)=?
设 A, B 为两个事件,且 P(A) = 0.7,P(A-B) = 0.3,求 P(overline(AB))。 设 A, B 为两个事件,且 $P(A) =
[问答题]设A、B力随机事件,已知P(A)=0.7,P(B)=0.5,P(A-B)=0.3,则P(AB)=().
设A,B为随机事件,求解下列各题:-|||-(1)已知 (A)=0.7, P(A-B)=0.3-|||-__ __-|||-求 (overline (A)cup