
=_______
[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
[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)=().
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.
[题目]设A,B为随机事件 (A)=0.7, (A-B)=0.-|||-3,则 P(AB)=?
[题目]设A,B为随机事件, P(A)=0.7 ,-|||-P(B)=0.5 ,P(A-B)=0.3 ,求P(AB)、 P(B-A)-|||-、P(B|A)
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是随机事件,P(A)=0.7,P(B)=0.5,P(A-B)=0.3,则P(AB)=--------------.P(B-A)=-------
4.设A,B为两个随机事件,且 (A)=0.7, (A-B)=0.3, 则 (overline (AB))= __
(3)设A,B为随机事件, (A)=0.6, (A-B)=0.3, 则 (overline (AB))= __