Question: 9. Using the network from the partial table below, choose the correct answer. Activity Immediate Predecessors Latest Start Latest Finish A B D A A

9. Using the network from the partial table

9. Using the network from the partial table below, choose the correct answer. Activity Immediate Predecessors Latest Start Latest Finish A B D A A B 4 6 3 8 9 6 A. Activity C can begin as soon as both Activities A and B are complete. B. Activity D can begin as soon as both Activities A and B are complete. C. Activity D can begin as soon as Activity B is complete. D. Activity D can begin as soon as either Activity A or Activity B is complete. E. None of the above answers is correct. 10. Assuming that an expected project completion time follows the normal probability distribution with a mean of 20 days and standard deviation of 5 days. What is the probability that the project will be completed in 22 days or less? A. 0.5210 B. 0.3446 C. 1.6554 D. 0.6554 E. None of the above answers is correct. 11. Assuming that an expected project completion time follows the normal probability distribution with a mean of 20 days and standard deviation of 5 days. What is the probability that the project will be completed within 17 days or more? A. 0.7257 B. 0.2743 C. 0.4514 D. 0.8181 E. None of the above answers is correct. 12. Using the following times for activity A, the expected completion time for activity A is: Activity Optimistic Most likely Pessimistic A 35 15 22 A. 24 B. 23 C. 22 D. 21 E. None of the above answers is correct

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