Pаssengers flying оut оf the Gоlden Triаngle аrrive to the airport security at a rate of 12 per period. There is one airport security scanning station, it is capable of scanning 15 passengers per period. Assuming a Poisson distribution for arrivals and an exponential distribution for the service time, respond to the following questions 13.1, 13.2, 13.3, 13.4, and 13.5