Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 5, and 15 days, respectively, compute the PERT standard deviation for this activity.
A)2
B)4
C)5
D)15

Name: Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 5, and 15 days, respectively, compute the PERT standard deviation for this activity. A)2 B)4 C)5 D)15
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Question

Quizplus · Accepted Answer

The PERT standard deviation is calculated as (pessimistic - optimistic) / 6. Therefore, (15 - 3) / 6 = 2.

Given an Activity's Optimistic, Most Likely, and Pessimistic Time Estimates