| Article ID: | iaor1999867 |
| Country: | United Kingdom |
| Volume: | 25 |
| Issue: | 3 |
| Start Page Number: | 323 |
| End Page Number: | 328 |
| Publication Date: | Jun 1997 |
| Journal: | OMEGA |
| Authors: | Kamburowski J. |
| Keywords: | project management, statistics: distributions |
This paper defends the classical PERT formulas for computing the mean and variance of the random activity time. We show three new validations for them by examining the kurtosis of the beta distribution employed in PERT.