Immediate Time Estimates (Weeks) Activity ET Predecessors Variance a a m b A 12 16 26 17 B A 4. 00 8 18 9 A 14 22 24 21 D B, C 12 18 24 18 E B, C un 5 00 8 23 10 F D, E 1 3 11 4 1726 B, 9 29 38 00 38 56 D, 18 38 56 017 A, 17 o 17 56 60 F, 4 56 60 1738 C, 21 1738 38 48 E, 10 46 56 1. The critical path is: [Select) 2. The expected project completion time is [Select] 3. Find the maximum number of weeks that activity B can be delayed without delaying the project. [Select ] 4. Find the maximum number of weeks that activity C can be delayed without delaying the project. Select) 5. Which of the following actions leads to a two-week reduction in the project duration? [Select] 6. The variance of the entire critical path is: Select] 7. The project duration corresponding to 95% (Z=1.65) confidence is: [Select]