According to anairline, flights on a certain route are on time 85

85% of the time. Suppose 13

13 flights are randomly selected and the number ofon-time flights is recorded.

(a) Explain why this is a binomial experiment.

(b) Find and interpret the probability that exactly 9

9 flights are on time.

(c) Find and interpret the probability that fewer than 9

9 flights are on time.

(d) Find and interpret the probability that at least 9

9 flights are on time.

(e) Find and interpret the probability that between 7

7 and 9

9 flights, inclusive, are on time.