Question

There are 50 students going on a class trip. 35

are student athletes and 5 are left-handed. In the
student athletes group, 3 are left-handed. What is the
probability that one of the students on the trip is an
athlete or is left-handed?

Answer 1

the answer should be 74% probability

35/50+5/50-3/50= 37/50->74%