Activity A B D E F G H I Predecessors A A B B D,E F C,G,H Pert project method group 2 optimistic Most likely Pessimistic a 2 1 6 2 1 4 2 1 1 m 5 2 8 4 2 6 3 2 4 b 8 3 16 6 9 14 4 3 7 Expected Time (t) Variance 0 From the table above find the flowing answers. 1. Construct the project Network 2. Find the expected duration and Variance of each activity 3. Find the critical path and expected project completion time 4. What is the probability of completion the project on or before 20 weeks? 5. Each group make presentation using PowerPoint 6. Each student on group should speaks for 5 minuets