CHAPTER 8 Project Management 321 Table 8.18 shows the activities, three estimates of project durations, and the precedence relation- ships for a project. a. Construct an activity on node (AON) network for this project. b. Calculate the expected time and standard de- viation for each project activity. c. Calculate the length of each project path and identify the expected project completion time. d. Calculate the expected project completion time. e. Calculate the variance associated with the proj- ect completion time. TABLE 8.18 Task Times and Three Time Estimates Optimistic Most Likely Pessimistic Time (days) Time (days) Time (days) Activity Immediate Predecessor None CD PART II Tools and Ta
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