If the most optimistic and pessimistic times for a task are 3 and 15 days respectively,then the variance for the duration of the activity is ______.
A)3.00
B)4.00
C)5.00
D)6.00

Question

Quizplus · Accepted Answer

The variance for the duration of an activity in PERT (Program Evaluation and Review Technique) is calculated using the formula: Variance = ((Pessimistic time - Optimistic time) / 6)^2. Here, (15 - 3) / 6 = 2, and 2^2 = 4.00.

If the Most Optimistic and Pessimistic Times for a Task