PLEASE ANSWER THE 3 QUESTIONS CORRECTLY RELATED TO EACH OTHER

Students arrive at the Administrative Services Office at an average of one every 15 minutes, and their requests take on average 10 minutes to be processed. The service counter is staffed by only one clerk, Judy Gumshoes. Assume Poisson arrivals and exponential service times. What are the average interarrival times and average service times? 15 mins and 10 mins 10 mins and 15 mins 2 mins and 1.33 mins 1.33 mins and 2 mins QUESTION 5 What is the average utilization each server? 1.34 0.75 0.67 0.34 QUESTION 6 What are the coefficient of variations for interarrival and service times? 0.5 and 0.51 and 10.5 and 11 and 0.5