Problem 9-10 (Algorithmic) The following estimates of activity times [in days) are available for a small project: Activity Optimistic Most Probable Pessimistic A 2 3 4 B 9 10 1 l C 5 8.5 9 D 5 9 l 1 E 4 8 9 F 3 4 5 l a. Compute the expected activity completion times and the variance for each activity. If necessary, round your answer to two decimal places. Must Expected Activitv Optimistic Probable Pessimistic Times Variance C 5 8.5 9 MM HUME b. An analyst determined that the critical path consists of activities BDF. Compute the expected project completion time and the variance. If necessary, round your answer to two decimal places. Expected project completion time: :] . Variance of projection completion time: :]