An activity has an optimistic time estimate of 7 days,a most likely estimate of 12 days,and a pessimistic estimate of 20 days.What is the expected duration of the activity?
A)13 days
B)13.5 days
C)12 days
D)12.5 days

Question

Quizplus · Accepted Answer

The expected duration of the activity can be calculated using the formula: 
(expected duration) = (optimistic estimate + 4 x most likely estimate + pessimistic estimate) / 6 
= (7 + 4 x 12 + 20) / 6 
= 12.5 days
Therefore, the best choice is D.

An Activity Has an Optimistic Time Estimate of 7 Days,a