Question: Question 6 (10 points) A video store has checkout 4 lanes. The clerks in each lane have the same abilities, with each clerk being able

Question 6 (10 points) A video store has checkout

Question 6 (10 points) A video store has checkout 4 lanes. The clerks in each lane have the same abilities, with each clerk being able to checkout a customer in 4 minutes on average. At its busiest times, customers to the video store arrive at the checkout counters at the rate of 30 per hour. What is the average waiting time, Wq, if all 4 checkout lanes are being used? (Hint: use Table 4.5. Lq Values for Queuing Model III, Multiserver System). A) 11.5 seconds. B) 37.1 seconds C) 20.8 seconds. D) 56.3 seconds

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