Question: Sharp Discount store has two service desks, one at each entrance of the store. Customers arrive at each service desk at an average of one
Sharp Discount store has two service desks, one at each entrance of the store. Customers arrive at each service desk at an average of one every six minutes. The service at each service desk is four minutes per customer.
How often (what percentage of time) each service desk idle?
| A. | 66.77% of the time | |
| B. | 0% of the time | |
| C. | 33.33% of the time | |
| D. | 50% of the time |
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