CIMA E2 Syllabus C. Managing projects - PERT - Formula - Notes ^{13 / 16}

It uses 3 time estimates for each activity.

using a formula to calculate an expected time for each activity.

1. An optimistic estimate denoted by 'o'.

2. A probable estimate denoted by 'm'.

3. A pessimistic estimate denoted by 'p'.

The formula to calculate average completion time using PERT is (o + 4m + p)/6