10 2. As a project manager you are asked to plan activities associated with a project of arranging a seminar in your university. A planning consultant has collected the following estimates (days) for optimistic (to), most likely (tm), and pessimistic (tv) times for the associated activities, Activity to tm tp 12 4 6 8 1-> 6 8 174 6 9 12 275 7 9 3-75 16 46 4 6 14 5-76 3 4 5 67 6 8 12 A A A CO 2 a. Draw an AOA network diagram and label each activity (10 marks) b. Compute activity time, path duration, critical path and project duration