The answer i have insert is wrong so please answer it fast

The following estimates of activity times (in days) are available for a small project. Activity Optimistic Most Probable Pessimistic A 3 4.0 5 B 9 10.0 11 6 6.5 10.5 D 6 8.0 9 E 5 .6.0 8 F 5 6.0 7 (a) Compute the expected activity completion times and the variance for each activity. (Round your answers to two decimal places.) Activity Expected Times Variance es A A 4 0.11 B 10 0.11 c 7.08 0.56 D 7.83 0.25 E 6.1 0.25 F F 6 0.11 (b) An analyst determined that the critical path consists of activities B-D-F. Compute the expected project completion time and the variance of this path. (Round your answers to two decimal places.) expected project completion time: 23.83 variance of projection completion time: 0,47