Customers arrive at a fast-food restaurant at a rate of 30 customers per hour with a service rate of 40 customers per hour.
a. What is the Utilization Rate?
b. What is the average length of the queue?
c. What is the average amount of time in the queue in minutes and seconds?
d. What is the average number of customers in the system?
e. What is the average time in the system in minutes and seconds?
f. What is the probably that 6 customers are in the system?
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