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Q.l Q.2 Q.3 (2.4 Write a brief note and difference between PERT and CPM? A project is expected to take 15 weeks along the critical path, having a standard deviation of 3 weeks. What is the probability of completing the project within (a) 15 weeks, (b) 18 weeks and (c) 12 weeks? Define free oat, total oat and what are the importance of these oats? The network shown below has the estimated duration for each activity marked, determine the total oat for each activity and establish the critical path. Also determine free oat and independent oat for each activity