Problem1. A project is programmed below. The numbers in the circles are the expected completion time in days.
(a) Identify the main steps in applying PERT technique.
(b) Set out the conditions which must be satisfied for the PERT to be applicable.
(c) Evaluate the earliest anticipated starting time and the earliest anticipated finishing time for each activity.
(d) What is the critical path?
(e) If the project must be done in 21 days, what is the total slack or “safety factor”?
(f) What is the total slack in (i) activity d and (ii) in activity c?
(g) What is the free slack in (i) activity and (ii) activity b?