Question: PLEASE ANSWER PROBLEM 17 ONLY 17. In Problem 16, if it costs $55 per hour to operate a toll booth and the waiting cost per

PLEASE ANSWER PROBLEM 17 ONLY

PLEASE ANSWER PROBLEM 17 ONLY 17. In Problem 16,

17. In Problem 16, if it costs $55 per hour to operate a toll booth and the waiting cost per vehicle is $0.75 per minute spent at the plaza, how many booths should be operated to minimize total cost? 16. Vehicles arrive at a toll plaza at the rate of 60 per hour. There are four booths, each capable of servicing 30 vehicles per hour. Assuming a Poisson distribution for arrivals and an exponen- tial distribution for the service time, determine (a) the probability of no vehicles in the toll plaza, (b) the average length of the waiting line, and (c) the average time spent by a vehicle in the plaza

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