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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.

分类: 作业答案 • 2022-01-02 16:28:20
问题描述：

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.

答

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

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