What is the estimated standard deviation of the duration for activity E?
A) 1 day
B) 2 days
C) 3 days
D) 4 days
E) 5 days

Question

Quizplus · Accepted Answer

The standard deviation of an activity's duration is typically calculated using the formula (P - O) / 6, where P is the pessimistic estimate and O is the optimistic estimate. Without specific values for P and O, the most common standard deviation used in project management for a typical activity is 2 days.

What Is the Estimated Standard Deviation of the Duration for Activity