The women's department at Hector's Department Store has a single checkout register. Customers arrive at the register at the rate of 11 per hour. It takes the clerk, on average, 4 minutes to check out a customer.
a. On average, how many customers will be waiting to be checked out? Do you think this number is reasonable? Why or why not?
b. How long, on average, will a customer have to wait before the clerk starts serving him or her? Again, is this a reasonable time? If Hector's decides to open another register, what are the trade-offs to consider?

  • CreatedApril 10, 2015
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