6. A shipping building construction project company consists of the following twelvejobs whose precedence relations are identified with their node numbers:Jobs (i-) :13 23 24 3-5 4-6 48 5-6 67-8-1-3 2-3 2-4 3-5 4-6 4-88 9Durations (in| days)10 18 5 10 12 18 10 8 4 10 10 5b.Find critical path and duration of the project.C.Find EST EFT LST and LFTd.Determine Total floats.

Answered: Image /qna-images/answer/99287ff0-c971-4c21-b731-83dd4bbebd29.jpg

Answered: 6. A shipping building construction…

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...

See similar textbooks

Similar questions

Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Activity a m b Immediate Predecessor(s) Activity a m b Immediate Predecessor(s)A 6 8 12 - G 2 3 4 C, EB 1 9 24 A H 2 2 2 FC 8 14 16 A I 7 7 7 FD 4 7 10 A J 6 7 12 D, G, HE 1 2 4 B K 1 1 4 I, JF 6 9 20 C, E a) The expected (estimated) time for activity C is 13.33weeks. (Round your response to two decimal places.) b) The variance for activity C is 1.78weeks. (Round your response to two decimal places.) c) Based on the calculation of the estimated times, the critical path is A - C - F - H - J - K . d) The estimated time for the critical path is [ ? ] enter your response here weeks. (Round your response to two…
Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels Activity a m b Immediate Predecessor(s) Activity a m b Immediate Predecessor(s)A 6 8 12 - G 2 3 4 C, EB 1 9 24 A H 2 2 2 FC 8 14 16 A I 7 7 7 FD 4 7 10 A J 6 7 12 D, G, HE 1 2 4 B K 1 1 4 I, JF 6 9 20 C, E a) The expected (estimated) time for activity C is 13.33 weeks. (Round your response to two decimal places.) b) The variance for activity C is 1.78 weeks. (Round your response to two decimal places.) c) Based on the calculation of the estimated times, the critical path is A - C - F - H - J - K d) The estimated time for the critical path is 43.1643.16 weeks. (Round your response to two decimal places.) e)…
1.The chief engineer of firm XYZ is responsible for supervising the construction work of a road. He has identified the activities and their durations for each stage of operation. Activity Duration (days) Preceding activities A 5 - B 10 - C 1 - D 8 B E 10 B F 9 B G 3 A,D H 7 A,D I 4 F J 3 F K 5 C,J L 8 H,E,I,K M 4 CJ Draw a network diagram (AOA) for this road construction project. Which are the critical activities? How long the project will take?
10.6 This optional problem requires knowledge of statistics. Heywood Home Healthcare is evaluating a project with the following net cash flows and probabilities: Time 0 Year 1 Year 2 Year 2 Year 3 Year 4 Prob = 0.2 ($100,000) 20,000 20,000 20,000 20,000 30,000 Prob = 0.6 ($100,000) 30,000 30,000 30,000 30,000 40,000 Prob = 0.2 ($100,000) 40,000 40,000 40,000 40,000 50,000 The year 5 values include salvage value. Heywood’s corporate cost of capital is 10 percent. What is the project’s expected NPV on the basis of the scenario analysis? What is the project’s standard deviation of NPV? Assume that Heywood’s managers judge the project to have lower-than-average risk. Furthermore, the company’s policy is to adjust the corporate cost of capital up or down by 3 percentage points to account for differential risk. Is the project financially attractive?
11-23 Tom Schriber, the director of personnel of Manage-ment Resources, Inc., is in the process of designing a program that its customers can use in the job-findingprocess. Some of the activities include preparingresumés, writing letters, making appointments to seeprospective employers, and researching companiesand industries. The information on these activities isshown in the following table: (a) Construct a network for this problem.(b) Determine the expected time and variance foreach activity.(c) Determine ES, EF, LS, LF, and slack time foreach activity.
1) The construction of a house is based on the following CP network Activity Predecessor Normal time (days) Normal Cost (dollars) Crash time (days) Crash cost (dollars) F __________ 4 100 2 150 G F 8 80 2 140 H G, F 2 40 1 60 I F 3 20 2 80 J G 5 80 3 140 K H, I 5 160 1 100 L J, K, I 6 120 2 240 a) Create a labelled network diagram. b) What is the % increase of project costs if the project is to be crashed by the 4 days. c) Crash the project by 4 days, showing the activities you would crash and it's associated cost to do so.
9-33. Bechtold Construction is in the process of installingpower lines to a large housing development. SteveBechtold wants to minimize the total length of wireused, which will minimize his costs. The housingdevelopment is shown as a network on this page.Each house has been numbered, and the distancesbetween houses are given in hundreds of feet. Whatdo you recommend?
A plant is acquiring new production machinery. Before the machinery can be fully functional, a number of activities must be performed. The activities, their precedence relationships, and their durations are shown in the following table. Days Activity a m b Immediate Predecessors A 6 8 10 - B 4 5 6 - C 1 2 3 - D 8 18 28 A E 4 5 6 C F 7 8 9 B, D, E G 4 5 9 B, D, E H 12 13 14 F I 8 9 10 F J 4 5 6 G, H K 2 5 8 I, J L 1 2 6 G, H a) Develop a project network for this problem. b) Determine the expected duration and variance for each activity. c) Determine the EST, EFT, LST, LFT, and slack for each activity. d) What is the critical path and project completion time? e) What is the probability that the job will finish in 59 days or less? f) What is the probability that the job will finish in 54 days or more?
A plant is acquiring new production machinery. Before the machinery can be fully functional, a number of activities must be performed. The activities, their precedence relationships, and their durations are shown in the following table. Days Activity a m b Immediate Predecessors A 6 8 10 - B 4 5 6 - C 1 2 3 - D 8 18 28 A E 4 5 6 C F 7 8 9 B, D, E G 4 5 9 B, D, E H 12 13 14 F I 8 9 10 F J 4 5 6 G, H K 2 5 8 I, J L 1 2 6 G, H Use excel to answer the following; d) What is the critical path and project completion time? e) What is the probability that the job will finish in 59 days or less? f) What is the probability that the job will finish in 54 days or more?

Recommended textbooks for you

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

Operations Management

ISBN:

9781259667473

Author:

William J Stevenson

Publisher:

McGraw-Hill Education

Operations and Supply Chain Management (Mcgraw-hi…

Operations Management

ISBN:

9781259666100

Author:

F. Robert Jacobs, Richard B Chase

Publisher:

McGraw-Hill Education

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

Operations Management

ISBN:

9781259667473

Author:

William J Stevenson

Publisher:

McGraw-Hill Education

Operations and Supply Chain Management (Mcgraw-hi…

Operations Management

ISBN:

9781259666100

Author:

F. Robert Jacobs, Richard B Chase

Publisher:

McGraw-Hill Education

Business in Action

Operations Management

ISBN:

9780135198100

Author:

BOVEE

Publisher:

PEARSON CO

Purchasing and Supply Chain Management

Operations Management

ISBN:

9781285869681

Author:

Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson

Publisher:

Cengage Learning

Production and Operations Analysis, Seventh Editi…

Operations Management

ISBN:

9781478623069

Author:

Steven Nahmias, Tava Lennon Olsen

Publisher:

Waveland Press, Inc.

SEE MORE TEXTBOOKS