The accounting department at Northeast University is offering a combined five-year B.S./M.S. in accounting. The senior accounting professor has identified the project activities and any precedence relationships, as shown in Table 16-15. Three time estimates for each activity are included.
(a) Develop a network diagram for this project using AON notation.
(b) Calculate the expected time for each of the project activities.
(c) Identify the critical path for the project.
(d) Calculate the expected project completiontime.

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TABLE 16-15 Optimistic Most Pessimistic Immediate Estimates Estimates Estimates Predecessor(s) (weeks) (weeks) (weeks) Time Likely Time Time Activity Description of Activity Design general curriculum requirements Develop program brochure Identify prospective students Develop advertising campaign 16 B C none В, С 10 20 E Design specific curriculum content F Send brochure and student application G Evaluate applications H Accept students, notify students 16 Schedule rooms for classes JDesignate professors to teach courses K Select texts for courses LOrder and receive texts 17