SOLUTION: Given the probability that an event will not happen is 0.63. What is the probability it will happen?

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Question 204249: Given the probability that an event will not happen is 0.63. What is the probability it will happen?
Found 2 solutions by rfer, Earlsdon:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
.37 chance it will happen or 37% chance

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
If P(not a) = 0.63 then P(a) = 1-p(not a) = 1-0.63 = 0.37, so
P(a) = 0.37