Question: 1. Consider the network described in the table below, Immediate Probable 10 8 6 Optimistic 8 7 Activity Predecessor(s) J K L J M N

1. Consider the network described in the table below, Immediate Probable 10 8 6 Optimistic 8 7 Activity Predecessor(s) J K L J M N KM KM LN Pessimistic 15 9 10 5 9 10 10 wa uoo 5 1 5 7 8 Draw the network dingrum 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 30 weeks' time units

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