Imagine you now work for Dan's Pet Empurrium, the World's Greatest purveyor of cat-related items. You've been tasked with managing the customer flow for the checkout process. You've decided to start by analyzing the current set-up. Using the information below, report the average time a customer waits in line in minutes (rounded to the nearest tenth of a minute, i. e., one decimal). Current Set up:
# servers Arrival rate Service rate # of lines
1 3 customers/per hour 4.0 min/customers 1