A PERT/CPM activity has an optimistic time estimate of three days, a most likely time estimate of eight days, and a pessimistic time estimate of 10 days. The expected time (in days)of this activity is
A)7.0.
B)7.5.
C)8.0.
D)8.5.
E)10.0.

Question

Quizplus · Accepted Answer

The expected time (TE) for a PERT/CPM activity can be calculated using the formula: TE = (Optimistic + 4(Most Likely) + Pessimistic) / 6. Plugging in the given values: TE = (3 + 4(8) + 10) / 6 = (3 + 32 + 10) / 6 = 45 / 6 = 7.5 days.

A PERT/CPM Activity Has an Optimistic Time Estimate of Three