Chapter 09 Practice Problems eBook Calculator Problem 9-16 Management Decision Systems (MDS) is a consulting company that specializes in the development of decision support systems. MDS has a four-person team working on a current project with a small company to set up a system that scrapes data from a collection of websites and then automatically generates a report for management on a daily basis. Immediate Predecessor(s) Time (weeks) Most Probable Activity Description Optimistic Pessimistic A 1 11 Report generation Web scraping B 10 Testing , 1 1 1 a. Choose the project network. (0) (11) A Start Finish Start Finish B B (iv) A . Start Finish Start Finish B B Network (i) X b. Based solely on the critical path, estimate the probability that the project will be completed within 10 weeks. If required, round your answers to two decimal places. Enter "0" if your answer is zero. Activity Expected Time (in Weeks) Variance A 6.67 2.78 B 7.5 1.36 1 0 62 0.83 X. Z = 0.83 X. Cumulative probability = 0.90 . c. Using all paths through project network, estimate the probability that the project will be complete within 10 weeks. A-C Expected time = 5 X weeks. If required, round your answers to two decimal places. 02 = 0 X. If required, round your answers to two decimal places. Z = 0 X. If required, round your answers to two decimal places. Cumulative probability 0 X. If required, round your answers to two decimal places. P (entire project completed) = 0.83 X. If required, round your answers to three decimal places. d. Should you use the estimate in (b) or (c)? Use the estimate in (c)