You may need to use the appropriate appendix table or technology to answer this question.

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. (Round your answers to six decimal places.)

(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 9-second period.

(d)

Compute the probability of at least one arrival in a 9-second period.