The network diagram of a project with four activities is presented below.StartABCDThe estimated optimistic, most likely, and pessimistic times of each task are given in the table below. The expected time and varianceof acitivities A are also given in the table. The expected time and variance of activity C and D are irrelevant in this problem. So theycan be ignored.optimistic14455mostlikelyB1810710Endpessimistic23181312Expectedtime18.167XXmmvariance81/36[Three decimal places for all answers)(1) What is the expected task time of activity B?(2) What is the variance of the task time for activity B(3) What is the expected length of path A-B?(2) What is the standard deviation of the length of path A-B?yy22

Given the data shown below, Optimistic Most likely Pessimistic A 14 18 23 B 4 10 18 C 5…

Answered: [Three decimal places for all answers)…

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

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.)
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 expected number of days to completion for a different project is E(x) = 3.32 The variance of days to completion is var(x) = 1.22 The project cost involves A fixed cost (in thousands of dollars) of FC = $83.783 A variable cost for each day taken to complete the project ($000) VC = $9.774 16 The standard deviation of the project cost is $________. a 13.041 b 12.245 c 11.497 d 10.796
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.
Recently, you were assigned to manage a project for your company. You have constructed a network diagram depicting the various activities in the project (shown below to the right). In addition, you have asked your team to estimate the amount of time that they would expect each of the activities to take. Their responses are shown in the following table: example Activity A B C D Get more help. E Time Estimates (days) Most Likely Optimistic 4 5 4 1 3 8 8 5 4 8 Pessimistic 12 12 7 5 a. What is the expected completion time of the project? The expected completion time is 19 days. (Enter your response as an integer.) b. What is the probability of completing the project in 21 days? Refer to the standard normal table. The probability of completing the project in 21 days is 9 MacBook Pro Start (Enter your response rounded to four decimal places.) 0 Finish Q Q Clear all Check answer
Evaluate the below statement according to the project management terminologies and choose the correct answer: It is the process of making a forecast or precise approximation Choose... of time and cost associated with a work package or activity. Graphically describes a project consisting of well-defined Choose.. activities, the completion of which marks its end. One of the Perform Quantitative Risk Analysis process has a Choose.. Tools and Techniques. Useful for building accountability through assigning specific Choose.. tasks to team members. It is the standard format each path through the network must be continuous with no gaps, discontinuities, or dangling Choose... activities. Organizational Assets, Project Scope Statement, Cost Management Plan and Schedule Management Plan are inputs Choose.. of: Choose... Work Breakdown Structure Expert Judgment Bar chart Estimating A horizontal diagram format Plan Risk Management
a) Explain with examples the differences between the following pairs of terminologies in project risk management:i.Proximity and Dormancy of a Riskii.Stakeholder Risk Threshold and Toleranceiii. iv.Variability Risk and Ambiguity RiskQualitative Risk Analysis and Quantitative Risk Analysis Risk Review and Risk Audit.b) During the execution of a project, a risk is identified by a team member. This newly identified risk is currently not in the risk register. As a project manager, list and briefly explain the steps you will take to manage this risk.c) As a project manager, you will be required to implement risk response plans for your projects. List and explain any five (5) typical outputs of this process.
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
The key objectives of a project can be summarized in the form of a The key objectives of a project can be summarized in the form of a multiple choice line. triangle. square. hexagon.
d) Risk is defined as the uncertain event or condition that if occurs has a positive or negativeeffect on the project's objective. The project objectives can be classified into three; cost,schedule and performance. There are 5 steps on risk identification process which startfrom identification and end with monitoring.Based on these three project objectives please explain the project risk managementprocess.explain it briefly and include example
you decide to estimate duration and standard deviation of a project using PERT method. the project has 3 steps the following are the optimistic, most likely and pessimistic durations in weeks:step 1: 2,5,10Step 2: 1,3,13Step3: 7,8,11,what is the estimated duration and standard deviation of the project duration?Estimated Duration =16 standard Deviation =4.9Estimated Duration =18 standard Deviation =4.9Estimated Duration =18 standard Deviation =2.49Estimated Duration =16 standard Deviation =24
Every project has some level of risks, and a Project Manager must plan for these risks, whether known or unknown. As the project manager of OPS, explain to your sponsor what risks exist for the project and how you would plan for or respond to them. If the CRM software project is implemented it will help to keep and maintain customer data, report about project situations, and adapt the input data to develop the business in alignment with Grace’s strategic goals.

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

[Three decimal places for all answers) (1) What is the expected tosk time of activity B? (2) What is the variance of the task time for activity B (3) What is the expected length of path A-B? (2) What is the standard deviation of the length of path A-B?