Question: Consider the following AON network for a CPM project. Write an LP model in open mathematical form to find earliest start times of activities.( 1,6

Consider the following AON network for a CPM

Consider the following AON network for a CPM project. Write an LP model in open mathematical form to find earliest start times of activities.( 1,6 0.14 8,8 0,12 2. Consider the following AON network and the table including associated activity times (optimistic-a, pessimistic-b and most likely-c) for a PERT project. a m Activity A B 4 2 6 5 3 20 18 18 21 9 7 9 10 6 D E 9 a. Find the expected activity times (t) and their variances v(t). b. Find the critical path and its length by inspection c. Find the variance of the length of the critical path v(CP). d. Find the probability that the project will finish in 40 days e. Find the probability that it will take more than 45 days to finish the project. (

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