The Grand Movie Theater has one box office clerk, M/G/1. On average, each customer that comes to see a movie can be sold its ticket at the rate of 6...

The Grand Movie Theater has one box office clerk, M/G/1. On average, each customer that comes to see a movie can be sold its ticket at the rate of 6 per minute. For the theater's normal offerings of older movies, customers arrive at the rate of 3 per minute. Assume arrivals follow the Poisson distribution and service times follow the exponential distribution.