Suppose you have a group of 8 people from the general US population. Without regard to order, you wish to select 4 of those people. In the general population, the probability that a person is diabetic is 7.8% (or 0.078). What is the probability that exactly four of the eight persons you selected are diabetic? Solution binompdf(8,.078,4) = .0019 answer: .0019.

1. Suppose you have a group of 8 people from the general US population. Without regard to
order, you wish to select 4 of those people. In the general population, the probability that a
person is diabetic is 7.8% (or 0.078). What is the probability that exactly four of the eight
persons you selected are diabetic?
Solution
binompdf(8,.078,4) = .0019 answer: .0019