Your flight has been delayed:At Denver International Airport,82% of recent flights have arrived on time. A sample of10 flights is studied. Round the probabilities to four decimal places.

a) Find the probability that all10 of the flights were on time.

b) Find the probability that exactly 8 of the flights were on time.

c) Find the probability that8 or more of the flights were on time

d) Would it be unusual for9 or more of the flights to be on time? Would it be unusual for9or more of the flights to be on time since the probability is