ActivityPredecessorOptimisticMost LikelyPessimistic14414B.CA6.1314DA,B48.121012FC,E5.118Find the mean and standard deviation of each task in this project then find the following:d) T probability to finish the project in more than 31 weeks.The m-The probability to finish the project in less than 31 or more than 35.g) In how many weeks can we complete the project with 90% probability?

Here, to find the answers to parts d(, f) and g), we will first find the expected mean duration and…

Answered: Optimistic Most Likely Pessimistic…

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

A project consists of five activities as shown in the following table. Activity Floor sanding Floor buffing Paint mixing Wall painting Ceiling painting Optimistic Time (hr) Most Probable Time (hr) 4 4 0.5 2 3 5 5 Сл 1 3 7.5 Pessimistic Time (hr) 6 6 1.5 10 9 Naturally, the paint mixing precedes the painting activities. Also, both ceiling painting and floor sanding must be done prior to floor buffing. (a) Construct the PERT/CPM network for this problem.
Using your results from Problem 6,(a) Calculate the probability that the project will be completedin 38 weeks.(b) Calculate the probability that the project will be completedin 42 weeks
The project described in the following table has just begun. It is scheduled to be completed in 11 weeks.Use Table B1 and Table B2. Activity Estimated Time(weeks) Standard Deviation(wks.) 1-2 4 0.70 2-4 6 0.90 1-3 3 0.62 3-4 9 1.90 a. If you were the manager of this project, would you be concerned? (Round your intermediate calculations to 2 decimal places and "Probability" values to 4 decimal places.) because the probability of finishing on schedule is only about . b. If there is a penalty of $5,000 a week for each week the project is late, what is the probability of incurring a penalty of at least $5,000? (Round your intermediate calculations to 2 decimal places and "Probability" values to 4 decimal places.) Probability Have worked this with various formulas and all come back wrong. Where am I making a mistake
11. Using PERT, Adam Munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 24 months, and the project variance is 4. Part 2 a) The probability that the project will be completed in 20 months = ______ (round your response to four decimal places)
A company is willing to develop their rocket before the end of current financial year which is now 28 weeks away. The chief engineer of the company has decided to use PERT technique in order to plan, schedule and control program of development for the data given in table below. What is the probability that the program will be completed by the end of the current financial year? (all durations are in weeks). (i) G) Optimum Duration Most likely duration Pesimistic duration 1 2 3 8 13 3 2 8 4 3 8 10 4 7 10 3 6. 3 8 4 9 10 4 8. 4 9. 5 7 9. 12 6. 5 11 7 9. 14 8 4. 00 2.
1.) You have determined the following for a given project: Expected completion time of the project = 40 weeks Standard deviation of project completion time = 8 What is the probability of completing the project in more than 44 weeks? answer as a decimal and take it to four places.
A project has the following tasks and duration estimates given. These three tasks are done in succession on a project. Task Optimistic Estimate Most Likely Estimate Pessimistic Estimate Alpha 30 days 40 days 50 days Beta 20 days 25 days 28 days Charlie 4 days 10 days 12 days Delta 25 days 30 days 50 days What is the expected duration for the project? (3 points) What is the variance for the project? (3 points) What is the standard deviation of the project? (3 points) What is the range of the duration of the project given 3 sigma? (3 points)
The following information relates to a project (task times are in weeks). Use the information to solve for the critical path and then to determine the probability that the project could be completed within 36 weeks. Task A B C D E F Preceding Tasks to 4 4 2 None A B D, E tm 6 7 7 8 13 9 8 0 W CON 6 tp 8 10 12 18 15 10 Click the icon to view the table of standard normal probabilities. The probability that the project is completed within 36 weeks is. (Enter your response rounded to four decimal places.)
The following precedence diagram reflects three time estimates for each activity. Determine: Use Table B1 and Table B2. 9-10-12 3 8 5-7-10 8-10-14 11-12-13 6 11 14-18-26 10.5-13-15.5 10 8-8-8 1 5-6-7 2 4 13-13-13 7 7-10-12 a. The expected completion time for each path and its variance. (Round intermediate calculations to 4 decimal places and final answers to 2 decimal places.) Path Mean Var. Std. Dev. 1-2-3-8-11 37.33 1-2-4-6-11 43.00 5.11 1-2-4-7-11 0.81 1-2-5-9-10-11 46.83 1.25 9-9-9 10-11-12 10-12-14
c. What is the expected project completion time? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Project completion time d. What is the probability of completing this project within 16 days? (Use Excel's NORMSDIST() function to find the correct probability for your computed Z-value. Do not round intermediate calculations. Round "2" value to 2 decimal places and final answer to 4 decimal places.) Probability 10 00 days 09994
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.)
Kimpel Products makes pizza ovens for com-mercial use. James Kimpel, CEO, is contemplating produc-ing smaller ovens for use in high school and college kitchens.The activities necessary to build an experimental model andrelated data are given in the following table: a) What is the project completion date?b) Crash this project to 10 weeks at the least cost.c) Crash this project to 7 weeks (which is the maximum it canbe crashed) at the least cost.

SEE MORE QUESTIONS

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