Question

If the probability of an event happening is x, what is the probability of the event not happening?

A.-x
B.1-x
C.x-1
D.0

Answer 1

B. 1 - x <=== ur answer

think about it...lets say the probability of something happening is 30%...then the probability of it not happening is (100% - 30%) = 70%

so the probability of something happening is x, then the probability of it not happening is : 1 - x