Answer to Question #174785 in Statistics and Probability for tiho

Question

In a certain Algebra 2 class of 27 students, 11 of them play basketball and 13 of them play baseball. There are 5 students who play neither sport. What is the probability that a student chosen randomly from the class plays basketball or baseball?

Answer 1

Basketball or baseball play 27 - 5 = 22 students. Hence, probability that a student chosen randomly from the class plays basketball or baseball is

$p = \frac{22}{27} = 0.814 = 81.4\%$