quantitaive

DAYS IMMEDIATE PREDECESSORS ACTIVITY a m b A 3 6 9 NO B 2 4 6 1 2 3 6 7 8 D E F G 2 4 6 B, D A, E 6 10 14 1 2 6 A, E H 3 6 9 F I 11 G 10 14 16 J K 12 21 11 G HI 2 8 (a) Develop a project network for this problem. (b) Determine the expected duration and variance for each activity. (c) Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total proj- ect completion time and critical path(s). (d) What is the probability that this job will finish in 38 days or less? DAYS IMMEDIATE PREDECESSORS ACTIVITY a m b A 3 6 9 NO B 2 4 6 1 2 3 6 7 8 D E F G 2 4 6 B, D A, E 6 10 14 1 2 6 A, E H 3 6 9 F I 11 G 10 14 16 J K 12 21 11 G HI 2 8 (a) Develop a project network for this problem. (b) Determine the expected duration and variance for each activity. (c) Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total proj- ect completion time and critical path(s). (d) What is the probability that this job will finish in 38 days or less