At a local university when scheduling classes the probabilit

At a local university, when scheduling classes, the probability that there are no evening classes available on a certain day is 0.74 . What is the probability that there is at least one evening class available on a that day? Write only a number a your answer. Round to two decimal places.

Solution

P(atleast 1 evening class ) = 1 - P(no evening class) = 1-0.74 = 0.26