15. The blood types of 150 people are determined for a study. The results show that 62 people have Type O blood, 67 have Type A blood, 15 have Type B blood, and the others have Type AB blood. If 1 person from this study is randomly selected, what is the probability that this person has either Type O or Type AB blood?

Answer and Explanation

Your Answer is

Correct Answer is E

Explanation

The number of people with type AB blood is 150-62-67-15=6, so P(A or AB)=(62+6)/150=34/75