A project has the following activities, with specified precedents, expected durations (in days), and crash cost/day. Each activity can be crashed to a minimum durationof 1 day. (This is the same network as a previous problem.) What is the minimum total cost to shorten the project by 2 days? Round your answers to 2 decimals.Activity Precedent Duration Crash cost/dayA3B3.9с6D6EFGHAnswer:-AABBсDE4.245.88$350$250$400$150$200$275$500$300

A network diagram is a graphical representation of project which helps to identify the project…

Answered: A project has the following activities,…

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

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
What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days? Crash Normal Activity Time (days) Time (days) Normal Cost A 5 4 B 9 7 C 6 5 D 7 5 E 7 4 Total Cost with Crashing Immediate Predecessor(s) $800 $300 $600 $750 $1,200 By 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.) Each Activity Should be Reduced BY (days) Activity A B C D E $1,100 $400 $650 $1,500 $1,650 | | | < 0
What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days? Normal Crash Time Activity Time (days) (days) AB А C D E 67555 5 BCD w 55 с 4 2 Activity A E 3 Normal Cost $800 $300 $600 $750 $1,200 Immediate Total Cost with Crashing Predecessor(s) $1,100 $500 By 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.) $650 $1,500 $1,650 - Each Activity Should be Reduced BY (days) A C
ACTIVITY WK(S) PRECEDES CRASH COST/WEEK A(START $370 $120 $220 1 $140 F(END) 3 $400 Suppose that Rafay is only given 8 weeks (instead of 10) to complete the project. By how many weeks should each activity be crashed in order to meet the deadline? Assume that you can crash an activity down to 0 weeks duration. Activity Each Activity Should be Reduced BY (weeks) A O week(s) B1 week(s) C 2 week(s) E O week(s) F Oweek(s) What is the total crashing cost? $ nothing (Enter your response as a whole number.) PLEASE SHOW ME HOW TO GET THE CALUCLATION ON MY OWN SHOW YOUR STEPS i DO KNOW THAT CC-NC/NT-CT BUT I DONT KNOW WHAT FIGURES GOES WHERE AND WHY B с E 3 2 4 B,C E F F
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 represents a project that should be scheduled using CPM: ACTIVITY ABCDEFGH А с IMMEDIATE PREDECESSORS IAABUDR C,D D,E F,G TIMES (DAYS) b a 1 1 3 - NTTTTE 1 1 1 1 2 m 5 WaNNASNU 2 5 4 2 2 6 3 ∞∞NWO3770 9 10 12 8
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 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 15 The variance of project cost is ________. a 116.548 b 113.153 c 109.858 d 106.658
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 D. Activity B is connected to activity E. Activity C is connected to activity F. Activity D is…
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. (b) Develop an activity schedule. Activity EarliestStart LatestStart EarliestFinish LatestFinish Slack A B C D E F (c) What are the critical activities? (Enter your answers as…
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 E. Activity C is connected to activity D. Activity D is…
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 (d) Assume that the company wants to complete the project in six months or 26 weeks. What is the amount of crash time (in weeks) for each activity that minimizes cost? (A, B, C, D, E) = (e) Develop an activity schedule for the crashed project. Activity EarliestStart LatestStart…

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