1. For the project described in the table below, Immediate Activity Predecessors Optimistic Most Likely A 3 4 B 5 8 A 5 6 D B 5 6 E . 5 6 F C,D 4 7 G B 6 8 H C.D 3 5 1 EF 7 9 J G 3 4 Pessimistic 6 11 7 8 7 11 12 6 10 8 E 1 H Start A Finish B a. For each task, calculate the expected task time and the standard deviations of the task time. Activity Optimistic Most Likely Pessimistic ET SD A 3 4 6 B 5 11 8 6 5 7 D 6 5 5 8 7 E 6 F 4 11 7 8 G 6 12 H 3 5 6 1 7 9 10 J 3 4 8 b. What is the expected project completion time? c. Use computer simulation with the spreadsheet provided on the course web site to compute the following estimates. Submit the Excel file that you use in addition to the answers to the questions below. Submit your spreadsheet in addition to a Word file with your answers. What is the project completion time that has a 95% probability of being achieved? What is the probability that the project can be finished within 28 months