A New Approach to the Activity-time Distribution in PERT

Abstract

We consider the problem of computing the density function of the completion time of PERT stochastic networks. An activity-time distribution is suggested which is stable to maximization and close to the beta distribution. Thus classical network-reducing methods, e.g. Martin's algorithm, can be essentially simplified.

Keywords:

• activity time
• beta distribution
• convolution
• stability
• stochastic networks