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Time Estimates (in weeks) for SOM's Bus Project is given in the following table. Activity Optimistic time Most likely time Pessimistic time A 2 4 6 B 3 5 8 Ic 4 6 8 D 3 5 10 Please help the project management team to find the standard deviation of Activity D. keep two decimals if not exact, either round up or down is ok. For example, for 0.1346, (0.13 or 13) and (0.14 or.14) are correct A project's critical path is CDFGI. The expected time and the standard deviation of each activity are as follows. Activity AB c D E F G HL Expected 2. 5 18 16 4 15 10 1 Time Standard (10 4 10 14 10 11 11 5 16 Deviation 5 19 5 What is the project standard deviation? keep two decimals if not exact, either round up or down is ok. For example, for 0.1346, (0.13 or.13) and (0.14 or.14) are correct A project being analyzed by PERT has 60 activities, 13 of which are on the critical path. If the estimated time along the critical path is 214 days with a project variance of 81, what is Zscore for the scenario that the project will take 218 days or more to complete? -0.56 0 -0.44 0.56 0.44 A project being analyzed by PERT has 60 activities, 13 of which are on the critical path. If the estimated time along the critical path is 214 days with a project variance of 81, what is the probability that the project will take 218 days or more to complete? Choose the closest number. 0.6716 0.8413 0.0126 0.1587 0.3283