1. An activity on a PERT network has these time estimates: optimistic = 2, most likely = 3, and pessimistic = 8. What is its variance?
2. An activity on a PERT network has these time estimates: optimistic = 4 days, most likely = 7 days, and pessimistic = 13 days. What is its variance in square days?
3. Explain the relationship between information management (IM) and knowledge management (KM)
(use the literature and write a 5 pages report)