Keefer, Donald L.; Verdini, William A. - In: Management Science 39 (1993) 9, pp. 1086-1091
This paper builds upon earlier work from the decision/risk analysis area in presenting simple, easy-to-use approximations for the mean and variance of PERT activity times. These approximations offer significant advantages over the PERT formulas currently being taught and used, as well as over...