You are responsible for wiring a smart 12-story building in downtown Chicago. The project network and basic information is shown in the following table. The time is in weeks. Your promotion depends on the successful completion of this project in 20 weeks.

a.  Draw the project network and compute expected times and variances for each activity.

b. What is the critical path and expected time of completion?

c. What activity has the largest slack time and how much is it?

d. What is the probability of completing the project in 20 weeks using PERT?

Transcribed Image Text:

Project Activity A B с D E Immediate Predecessor(s) None None A A B,C,D Optimistic Time 285 2 8 5 61 6 1 Most Likely Time 5 11 7 9 93 Pessimistic Time 14 14 9 12 5