Automobiles arrive at the drive-through window at the downtown Baton Rouge, Louisiana, post office at the rate of 3 every 10 minutes. The average service time is 1.5 minutes. The Poisson distribution is appropriate for the arrival rate and service times are negative exponentially distributed. ) The average time a car is in the system = minutes (round your response to two decimal places). ) The average number of cars in the system = cars (round your response to two decimal places). The average number of cars waiting to receive service =0.37 cars (round your response to two decimal places). The average time a car is in the queue = minutes (round your response to two decimal places)