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Listed in the below table are the tasks and times for a capstone project. Activity Predecessor activities Optimistic time, Most likely time, Pessimistic time, days days days A N 3 4 B A 8 9 10 с A 7 9 11 D B 7 9 10 E C 8 9 11 F LL D. E 2.5 3 3.5 This project's critical path, expected time of completion in days, and variance of expected time in days, respectively, are: O A-C-D-F, 23, 2.5 A-B-E-F. 242.5 O A-B-D-F.23.2.5 OA-C-E-F. 24.2.5