Airline passengers arrive randomly and independently at the passenger screening facility at a major international airport. the mean arrival rate is 9 passengers per minute. what is the probability of no arrivals in a 1-minute period? if required, round your answer to six decimal places. 000123 what is the probability of 3 or fewer arrivals in a 1-minute period? if required, round your answer to six decimal places. 021226 what is the probability of no arrivals in a 16-second period? if required, round your answer to four decimal places. 0907 what is the probability of at least 1 arrival in a 16-second period? if required, round your answer to four decimal places. 3084