Question: (PERT) 1- Consider the table represented below: Time (weeks) Predecessor Expected Variance time of time Task Optimistic Most likely Pessimistic A 4 6 8 B

(PERT) 1- Consider the table represented below:

(PERT) 1- Consider the table represented below: Time (weeks) Predecessor Expected Variance time of time Task Optimistic Most likely Pessimistic A 4 6 8 B 4 7 10 A 2 6 10 D 1 2 E CD 2 4 F D.E 4 6 G F 3 5 H F G 2 5 8 a) Calculate expected time and variance for each task | b) Find the critical path and expected project competition time? c) What is the probability of completing the project on or before 28 weeks

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