Question: You decided to increase his customer satisfaction by using simulation. Customers in a retail store which has one cashier, arrive to cashier to pay for
You decided to increase his customer satisfaction by using simulation. Customers in a retail store which has one cashier, arrive to cashier to pay for goods and services. Customers arrive to the cashier after they finish shopping. Whenever they finish paying to cashier then they leave the system. If the cashier is busy when they arrive then the customers wait in queue. Following data was recorded during the first hour of operation for input analysis. Retail store starts its
operation at 09.00.
1- Retail Stores analyst started to develop a conceptual model for his study. Please explain necessary entities, attributes, resources, events and measures of effectiveness of his model.
2-please estimate the following based on collected data :
- What is the average interarrival time?
- What is the average time in queue?
- What is the average service time?
- What is the maximum queue length?
- What is the average time in the system?
- Explain the status of the system at 09.12?
- What is the utilization ratio of cashier in retail store at 10.00
| Customer # | Arrival Time | Starting to Pay | Finishing to Pay |
| 1 | 09.03 | 09.03 | 09.07 |
| 2 | 09.05 | 09.07 | 09.13 |
| 3 | 09.08 | 09.13 | 09.18 |
| 4 | 09.08 | 09.18 | 09.22 |
| 5 | 09.09 | 09.22 | 09.28 |
| 6 | 09.19 | 09.28 | 09.31 |
| 7 | 09.33 | 09.33 | 09.39 |
| 8 | 09.36 | 09.39 | 09.46 |
| 9 | 09.38 | 09.46 | 09.50 |
| 10 | 09.49 | 09.50 | 09.56 |
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