\fTABLE 3. Activity Data for Advertising Project a. How long is the project likely to take? b. What is the probability that the project will take more than 38 weeks? Time Estimates (days) c. Consider the path A-E-G-H-J. What is the Most Immediate probability that this path will exceed the Activity Optimistic Likely Pessimistic Predecessor(s) expected project duration? 20. Michaelson Construction builds houses. Create a 10 12 network showing the precedence relationships for 8. 17 the activities listed in Table 3.13. 21. Fronc is a wedding coordinator. Beatrice 2 3 B Wright and William Bach have asked Fronc to help them organize their wedding. Create a 12 A C network showing the precedence relationships DE for the activities listed in Table 3.14. DE 22. The information in Table 3.15 is available about a F. G large project. CO a. Determine the critical path and the expected N N A G completion time of the project. H b. Plot the total project cost, starting from day 1 to K H the expected completion date of the project, No assuming the earliest start times for each activity. Compare that result to a similar plot for the lat- est start times. What implication does the time differential have for cash flows and project ADVANCED PROBLEMS scheduling? 19. The project manager of Good Public Relations gath- ered the data shown in Table 3.12 for a new advertis- ing campaign