PERT NETWORK - Example The average duration for a sourcing capital projects is 70 workdays. IC partners have agreed it is good business to set up projects with 95 percent chance of attaining the plan. What would the average have to be to ensure a 95% chance of completing the project in 70 workdays? PERT NETWORK - Example Time in Work days Most Likely Activity Optimistic Pessimistic te A 4 7 10 6 B 2 4 8 4.33 2 5 8 5 D 16 19 28 20 E 6 9 24 11 F 1 7 13 7 G 4 10 28 12 H 2 5 14 6 1 5 8 17 9 J 2 5 8 5 17 29 45 29.7