| BANK | BANK A | |||
| DATE | Day 1 | Day 2 | Day 3 | UNITS |
| INPUTS |
|
|
| |
| Total Time Involved (t) | 1.00 | 1.00 | 1.00 | Hour |
| Number of Customers Arrived | 28 | 17 | 20 | Customers |
| Number of Customers Served | 24 | 16 | 18 | Customers |
| Number of Servers | 3 | 3 | 3 | Servers |
| Model Type | M/M/3 | M/M/3 | M/M/3 |
|
| Intermediate Calculations |
|
|
| |
| Average Arrival Rate | 0.0357 | 0.0588 | 0.05 | |
| Average Serve Rate | 0.0416 | 0.0625 | 0.0555 | |
| Performance Measures |
|
|
| |
| Rho (average server utilization) | 0.3888 | 0.3541 | 0.3703 | |
| Probability of System empty | 0.3048 | 0.3405 | 0.3234 | |
| Average Customers in the system (L) | 1.2506 | 1.1203 | 1.1802 | |
| Average Customers waiting in a queue (Lq) | 0.0840 | 0.0578 | 0.0690 | |
| Average customer’s wait in the System (Ls) | 1.1666 | 1.0625 | 1.1112 | |
| Average time in the system (W) | 0.0446 | 0.0659 | 0.0590 | |
| Average time in the queue (Wq) | 0.0030 | 0.0034 | 0.0034 | |
| Average time a Customer is served (Ws) | 0.0416 | 0.0652 | 0.0556 | |