Question: Please answer all questions. QUESTION 1 50 Consider the following work breakdown structure: Duration Estimates (Days) Activity Predecessor Activity Optimistic Most Likely Pessimistic A 35

Please answer all questions.

Please answer all questions. QUESTION 1 50

QUESTION 1 50 Consider the following work breakdown structure: Duration Estimates (Days) Activity Predecessor Activity Optimistic Most Likely Pessimistic A 35 65 B 40 52 A,B 26 35 44 D B 28 40 52 E D 29 38 F C,D 36 60 84 28 26 Answer the following questions a. Calculate the expected time (Te), standard deviation (C) and variance (o) of each activity. (18 marks) b. By using AON or AOA, determine the total project time (T) and the Critical Activities (22 marks) C. What is the probability that the project will be completed within 155 days? (10 marks) d. What is the probability that the project will be completed within 140 days? (10 marks)

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