It Is Known That 20% of All Students in Some

Multiple Choice

It is known that 20% of all students in some large university are overweight, 20% exercise regularly and 2% are overweight and exercise regularly.What is the probability that a randomly selected student is either overweight or exercises regularly or both?

A) 0.40
B) 0.38
C) 0.20
D) 0.42
E) 0.10