# If E and F are events ...

If E and F are events such that p(E) =1/4,P(F)=1/2,and P(E and F) =1/8,Find (1) P(E or F), (2) P(not E and not F)

Sarvesh Verma 2 months ago

For 1:- P(E or F) =P(E)+P(F)-P(E and F) =1/4+1/2-1/8 =(0.25+0.5)-0.125 =0.3-0.125 =0.175 For 2:- P(notE and notF) =1-P(E or F) =1-0.175 =0.825

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