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Another Look at the Pert Assumptions

T. C. T. Kotiah and N. D. Wallace
Management Science
Vol. 20, No. 1, Theory Series (Sep., 1973), pp. 44-49
Published by: INFORMS
Stable URL: http://www.jstor.org/stable/2629068
Page Count: 6
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Another Look at the Pert Assumptions
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Abstract

A maximum entropy approach leads to a truncated normal distribution for the activity time in PERT analysis. Three different methods of fit are discussed, and a comparison with the standard assumption of a Beta distribution is made. The results suggest new ways of performing the PERT analysis.

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