Use the formula in Appendix 7.1 and calculate the weighted average (te) for each activity. NOTE: Stop at the weighted average (te) for each activity. Activity (Bolded is the deliverable) Optimistic Duration (unit=days) Most Likely Duration (unit=days) Pessimistic Duration (unit=days) Immediate Predecessor 1 Data Migration Center Project 2 1.1 Team Meeting .5 1 1.5 3 1.2 Hire Contractors 7 7 12 2 4 1.3 Network Design 10 14 20 2 5 1.4 Ventilation System 6 1.4.1 Order Ventilation System 19 21 25 2 7 1.4.2 Install Ventilation System 6 7 19 6 8 1.5 New Racks 9 1.5.1 Order Racks 12 14 21 2 10 1.5.2 Install Racks 20 21 35 9, 15 11 1.6 Power Supplies and Cables 12 1.6.1 Order Power Supplies and Cables 6 7 14 2 13 1.6.2 Install Power Supplies 5 5 7 12, 15 14 1.6.3 Install Cables 7 8 10 12, 15 15 1.7 Renovation of Data Center 18 20 25 3, 4 16 1.8 City Inspection 1 2 2 7, 10, 13, 14 17 1.9 Switchover Ops Checks 5 7 20 16 18 1.10 Validation Tests with clients 10 14 21 17 19 1.11 Project Closure meeting 1 2 3 18