According to an airline, flights on a certain route are on time 85% of the time. suppose 10 flights are randomly selected and the number of on-time flights is recorded.

a) explain why this is a binomial experiment

b) find and interpret the probability that exactly 7 flights are on time.

c) find and interpret the probability that fewer than 7 flights are on time.

d) find and interpret the probability that at least 7 flights are on time.

e)find and interpret the probability that between 5 to 7 flights, inclusive, are on time.