23 WebAssign Cal 3 in LinkedIn Linkedin Learning Marketing Examples Interactive Gallery ... A VisuAlgo MyFlixer Simply Wall St $ 900 BZ * : 7 App Academy Electronic library M McGraw-Hill Reading list IdeasAli business id. 36:30 Time Remaining Return Submit The "Catalytic Cracker Design project has the following activities, predecessors, and required number of engineers: Project: Catalytic Cracker Design A B D E F G 00 DO B B Activity Predecessors Duration (weeks) Process Engineers E 6 3 2 2 wuu 9 3 4 3 4 3 2 What is the duration of this project? 14 Weeks 13 Weeks 12 Weeks 15 Weeks E E 4:35 PM 10/8/2021 39'C 4 1 S here to search 16 O . B Duration (weeks) Most Optimistic Likely Pessimistic 12 15 30 4 8 18 2 6 10 3 4 11 2 4 6 4 8 18 Activity A B C D E F F D E Useful Formulas: t. +41 + to most optimistic most likely to - most pessimistic te-expected duration - vanance a m (t-1) 6 It = e 6 Using the PERT method, calculate the expected duration of the project 55 Weeks 41 Weeks 27 Weeks 46 Weeks Project: Electric Distribution Network Construction B Duration (weeks) Most Optimistic Likely Pessimistic 12 15 30 4 8 18 2 6 10 3 4 11 2 4 6 4 8 18 A Activity A B D E F F o E Useful Formulas: t. +4tm t to most optimistic tim most likely - most pessimistic te-expected duration 6? - variance (t-ta) 6 t = 6 Using the PERT method, indicate the critical path: A-D-E-F A-B-C-F A-B-E-F 134