Activity Immediate Time (weeks) Predecesso Optimistic Most Probable Pessimistic r A 1.5 2.0 2.5 B A 2.0 2.5 6.0 C 1.0 2.0 3.0 D C 1.5 2.0 2.5 EFGH B, D 0.5 1.0 1.5 E 1.0 2.0 3.0 B, D 3.0 3.5 7.0 G 3.0 4.0 5.0 - F, H 1.5 2.0 2.5 a. Draw a project network. b. What are the critical activities and what is the expected project completion time? c. If Doug wants a 0.99 probability of completing the project on time, how far ahead of the scheduled meeting date should he begin working on the project? Due Date: Apr 12, 11:59pm 2. Doug Casey is in charge of planning and coordinating next spring's sales management training program for his company. Doug listed the following activity information for this project: