19. The National Health and Nutrition Survey reported that 39% of adults in the United States have hypertension (high blood pressure). A sample of 24 adults is studied.

A. What is the probability that exactly 17 of them have hypertension?

B. What is the probability that at least 10 of them have hypertension?

C. What is the probability that at most 12 of them have hypertension?

D. Would it be unusual if more than 8 had hypertension? Write your answer by using a

complete sentence or two