Question: Consider a group of eight individuals selected from the population of 65 through 74 year olds in the United States. The number of persons in this sample who suffer from hypertension is assumed to be distributed as a binomial random variable with parameters n = 8 and p = 0.05.

a. Without regard to order in how many different ways can you select two individuals from this group of eight? How many if order is important.

b. What is the probability that exactly two of the individuals suffer from hypertension?

c. What is the probability that at least two of the individuals suffer from hypertension?