Question: 5 pts Question 25 A grocery store estimates that customers arrive at the rate of 15 per hour. The cashier can serve customers at a

5 pts Question 25 A grocery store estimates that customers arrive at the rate of 15 per hour. The cashier can serve customers at a rate 20 per hour. Calculate the average amount of time customer waits in a line (in minutes) 45 9 18 60 16.2 6 79.8 90 12 15
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