suppose that E and F are events such that p(E)=0.8,and p(F)=0.6.s_数学解答

suppose that E and F are events such that p(E)=0.8,and p(F)=0.6.show that p(E∪F)≥0.8 and p(E∩F)≥0.

人气：129 ℃　时间：2019-08-19 21:10:29

解答

proof:
We have that p(E∪F)≥p(E)=0.8,
and P(E∩F)≥p(E)+p(F)-1=0.4