Question: Question 2 (1 mark): A project has been subdivided into five activities. Their immediate predecessors & the estimated activity durations (optimistic, most likely, & pessimistic)

Question 2 (1 mark): A project has been

Question 2 (1 mark): A project has been subdivided into five activities. Their immediate predecessors & the estimated activity durations (optimistic, most likely, & pessimistic) are shown in the table below. Activity Immediate Predecessor A B D E A B 1677 ooo Estimated duration (in days) 1, 2, 3 1,4,7 3,3,3 1, 2, 15 1, 4, 19 A, C B, C (a) Draw the project network in the AON representation. (b) Calculate all earliest and latest starting & finishing times & the total floats of all activities. What is the critical path? What is its duration? (c) Calculate the variance & standard deviation on the critical path. (d) Calculate the probability that the project will be finished between 12 & 16 days. (e) What would happen, if the time estimates for activity E were to be revised to 2, 5, 14? Explain in one short sentence. Note: There are no calculations required to answer this sub

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