Letter to the Editor—Attempts to Validate Certain PERT Statistics or “Picking on PERT”
- 1 December 1962
- journal article
- Published by Institute for Operations Research and the Management Sciences (INFORMS) in Operations Research
- Vol. 10 (6) , 912-915
- https://doi.org/10.1287/opre.10.6.912
Abstract
This letter indicates the restrictions on the Beta Distribution that are required to validate the use of PERT means and variances. The conditions appear to be rather restrictive, thereby limiting the generality of application in computing PERT probabilities. The subjective nature of the PERT estimation problem is also discussed.Keywords
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