Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Draw the AON network and answer the questions that follow TIME ESTIMATES (IN WEEKS) IMMEDIATE ACTIVITY PREDECESSOR(S) OPTIMISTIC LIKELY PESSIMISTIC 10 24 16 8 12 Е,С E, C 20 6 D, G, H 12 a) What is the expected (estimated) time for activity C? b) What is the variance for activity C? c) Based on the calculation of estimated
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