Pedestrian frequency. Occupation of the target area calculated from an average occupation of 5 seconds, other than constant and 50% occupied.
| Pedestrian frequency | Total occupation per day (seconds) | Probability of occupation |
|---|---|---|
| Constant | 86,400 | 1/1 |
| 50% occupied | 43,200 | 1/2 |
| 100 per hour | 12,000 | 1/7.2 |
| 50 per hour | 6,000 | 1/14.4 |
| 10 per hour | 1,200 | 1/72 |
| 5 per hour | 600 | 1/144 |
| 1 per hour | 120 | 1/720 |
| 1 per day | 5 | 1/17,280 |
| 1 per week | 0.71 | 1/120,960 |