The Standard Deviation of the critical path is
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- Question 39 Given the following activity network: (3 activities - A1, A2 & A3; arrows point from A1 to A2 and A1 to A3) 39-1.docx Actions Activity A1 takes 6 weeks, A2 takes 9 weeks, and A3 takes 3 weeks. What is the slack of A3? Group of answer choices 8 weeks 6 weeks 7 weeks 0 weeksQuestion 38 Given the following activity network: (3 activities, A1, A2, A3; arrows point from A1 to A2 , A1 to A3, and A2 to A3) 38.docx Actions Activity A1 takes 6 weeks, A2 takes 9 weeks, and A3 takes 3 weeks. What is the earliest start time of A3? Group of answer choices 15 weeks 13 weeks 12 weeks 9 weeksactivity predecessor optimistic time(days) Most likely time(days) Pessimistic time(days) A - 4 8 24 B - 3 10 11 C - 6 12 24 D A,B 9 14 25 Ee B,C 11 16 27 F D,E 13 15 35 G F 5 9 19 identify the paths and show critical path
- QUESTION 1 The following information is available for a large fundraising project. Activity Activity Time (days) Activity Cost ($) Immediate Predecessor(s) A 3 100 -- B 4 150 -- C 2 125 A D 5 175 B E 3 150 B F 4 200 C, D G 6 75 C H 2 50 C, D, E I 1 100 E J 4 75 D, E K 3 150 F, G L 3 150 G, H, I M 2 100 I, J N 4 175 K, M O 1 200 H, M P 5 150 N, L, 0 Determine the critical path and the expected completion time of the project. Plot the total project cost, starting from Day1 to the expected completion date of the project, assuming the earliest start times for each activity. Compare the result to a similar plot for the latest start times. What implication does the time differential have for cash flows and project scheduling?Question 42 Given the activities, time estimates and dependency relationships: Duration (days) Activity Predecessor Optimistic Most Likely Pessimistic A *** 3 5 13 B *** 4 7 10 C A 5 7 15 D B 8 9 22 What is the estimated slack time for activity A? Group of answer choices 0 4 6 1activity predecessor optimistic time(days) Most likely time(days) Pessimistic time(days) A - 4 8 24 B - 3 10 11 C - 6 12 24 D A,B 9 14 25 Ee B,C 11 16 27 F D,E 13 15 35 G F 5 9 19 identify the paths and show critical pat
- Question 43 Given the activities, time estimates and dependency relationships: Duration (days) Activity Predecessor Optimistic Most Likely Pessimistic A *** 3 5 13 B *** 4 7 10 C A 5 7 15 D B 8 9 22 What is the estimated standard deviation for the critical path? Group of answer choices 2.78 2.54 2.36 1SIMPLE PERT question Expected Time fot the critical path on a PERT network is 18.2 weeks, and the critical path variance is 4. 1. The project was supposed to be done in 16 weeks. How do I find probability that the project will be finished on or 16 weeks? 2. Suppose I can adjust the project to set a deadline so that 98% of the time, it would be on time. How do I find deadline required to reach that level? 3. Ignoring 1 and 2, use original numbers of 18.2 weeks expected time and Variance of 4.. The company will pay $100,000 fine if project is not done in 21 weeks. How much would the ocmpany be willing to pay (in terms of insurancE) given their chances of having to pay that $100,000 fine?Question 40 Given the following activity network: (3 activities A1, A2, & A3; arrows point from A1 to A2 & A1 to A3) 40.docx Actions Activity A1 takes 5 weeks, A2 takes 7 weeks, and A3 takes 4 weeks with a 50% probability and 10 weeks with a 50% probability. What is the project completion time estimate considering all scenarios? Group of answer choices 9 weeks 10 weeks 12 weeks 13.5 weeks PreviousNext
- QUESTION 1a. The following Table 1 (below) contains a list of activities, with precedence requirements andcrash costs for a project that is to be completed by Present Technologies Limited (PTL).Table 1Activity PredecessorActivityorActivitiesNormalTime(days)CrashTime (days)Normal Cost ($)Crash Cost ($)A __ 2 1 1,000 2,000B __ 7 4 800 4,300C __ 5 3 2.000 7,000D B, C 4 3 1.500 2,750E A 6 2 1.250 15,250F B, E 7 2 2,500 10,000G D 6 3 2,000 8,000H F, G 3 1 4,000 10,000 (ii) You are PTL’s Project Manager for this project and you have been asked to reduce theproject completion time by three (3) days. Assume a linear cost per week shortened, and showstep by step, how you arrived at your answer? Please assist me in answering this question above.QUESTION 1a. The following Table 1 (below) contains a list of activities, with precedence requirements andcrash costs for a project that is to be completed by Present Technologies Limited (PTL).Table 1Activity PredecessorActivityorActivitiesNormalTime(days)CrashTime (days)Normal Cost ($)Crash Cost ($)A __ 2 1 1,000 2,000B __ 7 4 800 4,300C __ 5 3 2.000 7,000D B, C 4 3 1.500 2,750E A 6 2 1.250 15,250F B, E 7 2 2,500 10,000G D 6 3 2,000 8,000H F, G 3 1 4,000 10,000 (iii) Prepare a Project Completion Schedule, which includes the incremental cost and thetotal cost of crashing? Please answer this question above.Activity Immediate Predecessor Optimistic Time (a) Most likely Time (m) Pessimistic Time (b) A - 2 3 4 B - 2 4 6 C A 1 2 3 D B 4 6 9 E C,D 7 8 9 F D 4 7 10 G E 3 4 6 H E,F 7 9 12 a) What time should be allowed such that there is a 95% chance of completion within that time?
