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Answer with workout Question 2.3 Consider the network described in the table below. Immediate Activity Predecessor(s) Pessimistic Probable Optimistic 15 WAWUNCO K M K M

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Question 2.3 Consider the network described in the table below. Immediate Activity Predecessor(s) Pessimistic Probable Optimistic 15 WAWUNCO K M K M L, N Draw the network diagram and answer the following questions. (a) Calculate the expected duration of each activity. (b) Calculate the expected duration and variance of the critical path. (c) Calculate the probability that the project will be completed in more than 28 time units

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