QUESTION 6 Work break down structure for a project is given below Immediate |Op Most Likely Pe ssimistic |Expected Time (te) timistiC Activity Predecessors Variance none 4 D, B 10 a) Complete the table by calculating expected activity times, and variances in activity times b) Draw the network diagranm c) Find and list the critical path. Use the expected activity time for each activity as its duration to determine the critical path What is the expected completion time of the project? d) What is the probability of finishing the project before 21 days (give your answer to 2 decimal places)?
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