Question: An activity on a PERT network has the following time estimates: optimistic = 7, most likely = 16, and pessimistic = 22. Its variance is

An activity on a PERT network has the following time estimates: optimistic = 7, most likely = 16, and pessimistic = 22. Its variance is (please round off to two decimal digits) Your Answer: Your Answer Question 22 (1 point) An activity on a PERT network has the following time estimates: optimistic = 2, most likely = 14, and pessimistic = 28. Its standard deviation is (please round off to two decimal digits) Your Answer: Your Answer Question 23 (1 point) A local project being analyzed by PERT has 14 activities, 9 of which are on the critical path. If the estimated time along the critical path is 105 days with a project variance of 25, what is the probability that the project will be completed in 100 days or less? (please answer to four decimal places) Your

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