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REVIEW for Test . PERT PERTReview PERT Consider the following table: ACTIVITY PREC, ACT TIME ESTIMATES (days) fo mi B D E F G 1 2 1 4 6 1 A B D ECF wa 6 3 4 4 5 7 3 5 5 6 1. Construct a PERT network. (20 points) NOTE: This is the most crucial part of the exercise. Make sure you have the correct network before proceeding to the next sections.) 2. By using ES. EF, LF, LS, find the slack of each activity and the critical path. (20 points) 3. Find the completion time and the standard deviation (e) for the project round of the standard deviation to the nearest hundredth: two decimal places. (20 points) 4. What is the completion time at 68% and 95% confidence levels? (10 points) 5. What is the likelihood of this project being completed in more than 20 days? (10 points) 6. Between 19 and 21 days? (20 points)