In a recent semester at a local university, 500 students enrolled in both statistics 1 and psychology 1. Of these students 82 got A in statistics, 73 got A in psychology, and 42 got A in both...

In a recent semester at a local university, 500 students enrolled in both statistics 1 and psychology 1. Of these students 82 got A in statistics, 73 got A in psychology, and 42 got A in both statistics and psychology. Find the probability that a randomly chosen student got A in statistics or psychology or both