Question: (Chapter 19 Project Management with Activity Time Uncertainty) A project consists of 4 activities: A, B, C and D. A is known to take 5

(Chapter 19 Project Management with Activity Time

(Chapter 19 Project Management with Activity Time Uncertainty) A project consists of 4 activities: A, B, C and D. A is known to take 5 days, while B also takes 5 days. C is also known to take 5 days. However, D takes 4 days with a probability of 75% and 6 days with a probability of 25%. The project network is shown below. B Start D What is the expected project completion time? 10.25 days 9.25 days O 11.25 days O 12.5 days

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