Question

In industrial engineering application PERT has

• A. four time estimate
• B. one time estimate
• C. three time estimate
• D. two time estimate

Answer 1

Answer:

C. three time estimate

PERT is a project management technique similar to CPM. It assumes that each activity duration follows a statistical distribution. PERT uses three time estimates for each activity, namely optimistic, most likely and pessimistic time. The beta distribution is used to represent activity durations, which can be skewed towards the high or low end of the data range. The project duration is represented by a normal distribution, which is the sum of weighted averages of activities on the critical path.