Question: 2. Consider the network described in the table below. (40 marks) Immediate Predecessor(s) Activity J K L M N o P. J J KM KM

2. Consider the network described in the table below. (40 marks) Immediate Predecessor(s) Activity J K L M N o P. J J KM KM LN Pessimistic 15 9 10 3 9 10 10 Probable 10 8 6 3 5 7 8 Optimistic 8 7 5 3 1 4 3 1 (a) Draw the network diagram for the above table, and then answer questions b, c, and d. (b) Calculate the expected duration of each activity on the following table (grey areas do not require an answer): Early Early Task Late Late Start Finish Slack Mean Variance Start Finish J 0 K 0 L M N VEZOA Project Project Std.de (c) Calculate the expected duration and variance of the critical path. (d) Calculate the probability that the project will be completed in fewer than 30 time units

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