Seven activities have been identified as part of completing a larger project. These activities have been labeled A through G in the following table, which also displays their immediate predecessors as well as the optimistic (a), most probable (m) and pessimistic (b) expected completion times.
The project network diagram is below. ( SEE ATTACHMENT)
Calculate the expected time in weeks for each activity. Find the critical path and expected completion time, as well as the earliest start, earliest finish, latest start, and latest finish time for each activity.