If P(E)= 0.45, what is the probability of the"not E"?

1.	If P(E)= 0.45, what is the probability of the"not E"?
Answer» 0.55 0.55 P(E) + P( not E) = 1 then0.45+ P(not E) =1P(not E)= 1- 0.45P(not E)= 0.55 For any event P(E) + P(not E) =10.45+P(not E) =1P(not E) =0.55

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