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Question 1 7 pts A future construction project has the following activity relationships and activity time estimates (in days): Immediate Activity To Tm Tp Predecessor
Question 1 7 pts A future construction project has the following activity relationships and activity time estimates (in days): Immediate Activity To Tm Tp Predecessor A None 4 5 6 B None 2 4 6 C A 1 4 7 D B, C 2 5 8 E B 3 6 15 F D, E 3 9 27 G E 3 6 15 H F, G 2 2 2 . Leave 2-decimal if not exact, do not round up, for example, 4.3268... will be kept as 4.32 1. Please calculate the "expected finish time" and "variance" for each activity. What is the expected finish time of activity A? What is the activity variance of activity B? 2. Use "expected finish time" of each activity to construct the network. What is the critical path of the project? (no space permitted between letters, acceptable format: ABCD) What is the expected project completion time in days? What is the variance of project completion time? 3. Use "expected finish time" to decide ES, EF, LS, LF of each activity. What is the LF time of activity E? What is the slack time of activity G
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