The original PERT formulae [5] employ the mode and endpoints to estimate the mean and standard deviation of subjective probability distributions. Though widely-used, they have met with criticism for their inaccuracy, and for their being limited to the beta distribution when there is no a priori...

A case study explores the application of linear programming (LP) to the medium-term planning of a factory's production. The case appears to be the only non-oil company application of LP for medium-term production planning in the region. Details of the application are presented. Conclusions about...