Question: Question 4. (20 pts) The following table shows the tasks, dependencies, and estimated times a project manager might input to a PERT chart for a

Question 4. (20 pts) The following table shows

Question 4. (20 pts) The following table shows the tasks, dependencies, and estimated times a project manager might input to a PERT chart for a software development project. Predecessor Optimistic Most Likely Pessimistic 4 5 12 A 2 3 4 B 6 8 22 Activity Name Task Description Establish project B Establish customer requirements Produce software specification documents D Write test plans E Write code F Developer testing G System testing H Write manuals 4 6 8 3 4 5 E 2 4 Lolo0 DF 4 6 C 5 7 15 According to the above table, a) (5 pts) Find the critical path using PERT b) (3 pts) Calculate the total project duration c) (4 pts) Calculate Project variance and standard deviation d) (4 pts) What is the probability of completion in 38 days e) (4 pts) What is the completion of the project with 0.90 chance

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