Task a m b Predecessor A 12 19 23 8 12 19 5 . 9 16 8 12 22 11 20 29 B F 7 14 21 C, D, E G 15 28 0 35 F H 9 15 27 G (round to three a. What is the project variance and standard deviation? [Select] decimal places) b. What is the project length? (Select] c. What is the critical path? Select) d. How much slack is in task A? [Select] e. What is the early start early finish for task F? (Select] f. What is the probability of completing the project in 85 days? Select 8. What if task A increased by 2 days. What would be the project length and the critical path? [ Select)