Airline passengers arrive randomly and independently at the passenger screening facility at a major international airport. The mean arrival rate is 6 passengers per minute.

What is the probability of no arrivals in a 1-minute period? If required, round your answer to six decimal places.

What is the probability of 3 or fewer arrivals in a 1-minute period? If required, round your answer to six decimal places.

What is the probability of no arrivals in a 12-second period? If required, round your answer to four decimal places.

What is the probability of at least 1 arrival in a 12-second period? If required, round your answer to four decimal places.

Airline passengers arrive randomly and independently at the passenger screening facility at a major international airport. The mean arrival rate is 6 passengers per minute. a. What is the probability of no arrivals in a 1-minute period? If required, round your answer to six decimal places. b. What is the probability of 3 or fewer arrivals in a 1-minute period? If required, round your answer to six decimal places. c. What is the probability of no arrivals in a 12-second period? If required, round your answer to four decimal places. d. What is the probability of at least 1 arrival in a 12-second period? If required, round your answer to four decimal places