5What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days?DNormal Crash Time NormalActivity Time (days) (days) CostA6$900586$30043$50053$90085$1,000BUDECAdi...Total Cost Immediatewith Crashing Predecessor(s)$1,000$400$600$1,200$1,600By how many days should each activity be crashed to reduce the project completion time by 4 days? Fill in the table below.(Enter your responses as whole numbers.)LavalEach Activity Should beReduced BYAC UE8I5ActivityABCDEPar$1,000By how many days should each activity be crashed to reduce the project completion time by 4 days? Fill in the table below.(Enter your responses as whole numbers.)$1,200$1,600Each Activity Should beReduced BY(days)☐☐☐☐☐C

Activity Normal time (days) Crashed time (days) Normal cost Crashed cost Predecessor 1 A 6 5 900…

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Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Management Firm is a consulting company that specializes in the development of decision support systems. Time (Weeks) Activity Description ImmediatePredecessor Optimistic Most Probable Pessimistic A Report generation 2 8 12 B Web scraping 4 9 11 C Testing A, B 1 1 1 (A) Based solely on the critical path, estimate the probability that the project will be complete within 11 weeks. (Round your answer to four decimal places.) (b) Using all paths through the project network, estimate the probability that the project will be complete within 11 weeks. (Round your answer to four decimal places.)
Management Firm is a consulting company that specializes in the development of decision support systems. Time (Weeks) Activity Description ImmediatePredecessor Optimistic Most Probable Pessimistic A Report generation 2 8 12 B Web scraping 4 9 11 C Testing A, B 1 1 1 (b) Using all paths through the project network, estimate the probability that the project will be complete within 11 weeks. (Round your answer to four decimal places.)
The client of a project has requested the project team to crash 8 hours of time. The table below provides the necessary information about the possible project crashing. (a) What is the crash cost for 8 hours of time-savings? (b) Assume the team calls the client and asks for a project extension, reducing the amount of time they need to crash. The project team has a $20 crash budget. Is the budget sufficient to crash 4 hours of time? Activity Normal Duration (hours) Normal Cost ($) Crash Duration (hours) Crash Cost (S) Immediate Predecessors A 2 10 2 0 None B 3 15 2 23 A C 5 25 4 30 B D 3 20 1 24 C E 6 30 4 45 C F 1 5 1 0 E G 7 35 6 50 F H 10 50 7 80 D, G
Hi, I need help answering the last question. Rob Smith is managing a small project at Boston University. He is under pressure to shorten the overall duration of the project by 4 weeks and he wants to do so at the lowest cost possible. In order to meet this objective a number of activities must be crashed. Activity Normal Time (weeks) Crashed Time (weeks) Normal Cost Crashed Cost Predecessor(s) A 5 3 $800 $1,200 - B 6 5 $300 $450 - C 6 5 $550 $775 - D 3 2 $750 $950 A E 6 3 $1,350 $2,250 C F 5 3 $675 $875 B What is the total cost of crashing the project 4 weeks (just the additional cost, not total project cost)? (Display your answer to two decimal places.)
Exercise regular time acceleration time Normal Cost acceleration cost Precedents A 4 3 900 1000 --- B. 8 6 300 400 --- C 4 3 500 650 --- D 6 4 900 1200 A AND 7 4 1000 1600 C a. The duration of the project in normal time and without acceleration is Response days . b. The minimum cost to accelerate the project in 2 days is Response .
Consider a project to produce custom door moldingsfor GMC Acadia cross-over vehicles, described inTable 7.4. a. If you start the project immediately, when will it be finished?b. You are interested in completing your project as soon aspossible. You have only one option. Suppose you couldassign Employee A, currently assigned to activity G, tohelp Employee B, currently assigned to activity F. Eachweek that Employee A helps Employee B will result inactivity G increasing its time by one week and activity Freducing its time by one week. How many weeks shouldEmployee A work on activity F?
Coleman Rich Control Devices, Inc., produces custom-built relay devices for auto makers. The most recent project undertaken by Rich requires 14 different activities. Rich's managers would like to determine the total project completion time (in days) and those activities that lie along the critical path. The appropriate data are shown in the following table: Time (days) Immediate Time (days) Immediate Activity a m b Predecessor(s) Activity a m b Predecessor(s) A 4 7 8 — H 3 3 6 E, F B 1 2 3 — I 3 7 9 G, H C 7 7 7 A J 2 6 9 I D 6 9 13 A K 8 9…
Environment Recycling, Inc. must clean up a large automobile tire dump under a state environmental cleanup contract. Suppose that some of the activities in the Environment Recycling, Inc. project can be crashed.The table below shows the crash times and costs associated with performing the activities at their original (normal) times and also for the crash times (all times are in weeks). Normal Crash Normal Crash Activity Predecessor(s) Time Time Cost Cost A — 6 5 $490 $640 B A 9 7 1,800 2,400 C A 8 7 860 1,060 D — 7 6 620 920 E B, C, D 9 7 1,900 2,300 F D 4 2 820 1,320 G D 4 3 620 870 H E 5 4 500 710 I F, G, H 7 5 950 1,550 Choose the correct network for the project. The correct network is C . Identify the critical path. The critical path is A-B-E-H-I. What is the total project completion time? Round your answer to the nearest whole number. ___ weeks What is the lowest cost solution if…
Coleman Rich Control Devices, I nc., producescustom-built relay devices for auto makers. The most recent projectundertaken by Rich requires 14 different activities. Rich's managerswould like to determine the total project completion time(in days) and those activities that lie along the critical path. Theappropriate data are shown in the following table.a) What is the probability of being done in 53 days?b) What date results in a 99% probability of completion?
One of Mary's employees, Shira, has obtained a new job and given her two weeks' notice. Shira was responsible for updating the company website with information on the new bag policy. Mary gave Shira's responsibilities to another employee in the Marketing department who has similar knowledge and skills.What is the probability of this risk occurring and what is the impact on the project? a.) Low probability and medium impact b.) High probability and high impact c.) Medium probability and low impact d.) High probability and low impact
I only need help with D,E,F ONLY PLEASE!! Office Automation Inc., developed a proposal for implementing a software system that will standardize the accounts payable function by automatically issuing an electronic payment upon receipt of the vendor invoice. Contained in the proposal is a list of activities that must be accomplished to complete the project. The following table contains relevant information about the activities. Time (weeks) Cost ($1,000s) Activity Description ImmediatePredecessor Normal Crash Normal Crash A Plan needs 10 8 30 70 B Order equipment A 8 6 120 150 C Install equipment B 10 7 100 160 D Set up training lab A 7 6 40 50 E Conduct training course D 10 8 50 75 F Test system C, E 3 3 60 (a) Develop a project network. A project network with 8 activities and 8 directed arcs is shown. Activity Start is connected to activity A. Activity A is connected to activity B and to activity C. Activity B is connected to activity D. Activity C…
An engineer failed to finish its building construction contract on time. With this, a penalty of P10,000 will be paid for each day that passes beyond the date of contract. According to the engineers estimate, if the construction will continue with the same number of workers, the project will be finished 30 days after the contract date. But the engineer also has an option of hiring more workers to hasten the construction process. Every additional worker, the engineer has to pay P3,000 per day and every 3 additional workers the construction period will be lowered down by 1 day. But, the engineer can only hire 21 workers. If you are the engineer, what method are you going to follow so as to incur a lesser amount of extra construction cost? Just pay P10,000 per day for 30 days? Or just hire additional workers to lower down the construction time?

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