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?

Page Press Esc to exit full screen 9. Using the network from the partialtie elow, choose the correct answer. Activity Latest Immediate Predecessors Latest Finish Start A B D 4 6 3 8 9 A A, B 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 A Optimistic 15 Most likely 22 Pessimistic 35 A. 24 B. 23 C. 22 D. 21 E. None of the above answers is correct