Justify your answers and detail your calculations briefly. Answers should be brief and well described. Question 2: Airline passengers arrive randomly and independently at the passenger-screening f

Justify your answers and detail your calculations briefly.  

Answers should be brief and well described.

Question 2:

Airline passengers arrive randomly and independently at the passenger-screening facility

at a major international airport. The mean arrival rate is 10 passengers per minute.

a. Compute the probability of no arrivals in a one-minute period.

b. Compute the probability that three or fewer passengers arrive in a one-minute period.

c. Compute the probability of no arrivals in a 15-second period.

d. Compute the probability of at least one arrival in a 15-second period.