| Sim. time | Waiting time | Via queue | Lost |
| Server utilisation | ||
| 1 | ||
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| Queue | |||||||||||||||||||
| Number of servers | 1 2 3 4 5 | ||
| Queue capacity Customer loss if too low | |||
| Interarrival time (minutes) Neg. exponential distribution | |||
| Time to serve (minutes) Triangular distribution | Min | Peak | Max |
| Simulation speed | High Medium Low | ||
Queueing space filled up → system instable. Change settings.