b. The probability that the project will require more than 49 weeks. (Round intermediate calculations and final answer to 4 decimalplaces.)P(T > 49 week)c. The probability that the project can be completed in 46 weeks or less. (Round intermediate calculations and final answer to 4decimal places.)P(T s 46 week) The following precedence diagram reflects three time estimates for each activity. Determine:Use Table B1 and Table B2.9-10-12385-7-108-10-1411-12-136.1114-18-2610.5-13-15.5108-8-85-6-713-13-1377-10-129.a. The expected completion time for each path and its variance. (Round intermediate calculations to 4 decimal places and finalanswers to 2 decimal places.)PathMeanVar.Std. Dev.1-2-3-8-111-2-4-6-111-2-4-7-111-2-5-9-10-119-9910-11-1210-12-142.

A project schedule network represents the sequential and analytical connection between tasks in a…

Answered: b. The probability that the project…

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 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)
Once the project starts, Cumulative Budgeted Cost (CBC) will periodically be compared to the: to-complete performance index forecasted costs at completion cumulative actual cost none of the above
In the space provided below create the network diagram that shows the relationship (logic) of project activities shown below and then number each event. 1. In a given project activities "A, B and C are initial activities that may begin at the same time 2. -----"D" cannot begin until "A" is complete. 3. ----- "B" must be complete before E can begin. 4. ----- "F" cannot start until "C" is finished. 5. ----- "G" cannot begin until "B" is finished. 6. ----- "G" and "D" must be done before "H" can begin. 7. ----- "I" cannot begin until "B" is finished. 8. ----- "J" can begin only after "F" and "I" are complete. 9. ----- Once "E" is complete, "K" can begin. 10. ---- The project will be finished when "H" "J" and "K" are complete.
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…
Constraints are those factors that can limit a project. Which of the following are considered constraints (choose all that apply)? a. Quality b. Strategic Plan c. Risks d. Requirements e. People and Materials f. Project Management Information System
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
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 an activity schedule. What are the critical activities? (Enter your answers as a comma-separated list.) 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…
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…
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
← Consider the following crash data for a project. Times are given in weeks. ACTIVITY A B C D E F How many week(s) of crashing are available for activity E in the table above? Activity E has sweeks of crashing available. What will be the cost of activity E if it is completed in 3 weeks? The cost will be $ NORMAL TIME 4 7 8 3 7 6 CRASH TIME 4 5 3 1 1 3 NORMAL COST ($) 1,400 5,000 5,700 2,400 1,100 2,800 CRASH COST ($) 1,400 6,200 8,700 3,800 5,900 5,200 (s) po Time
Mueller & Associates is a urban planning firm that is designing a new public park in an Omaha suburb. Coordination of the architect and subcontractors will require a major effort to meet the 45-week completion date requested by the owner. The Mueller project manager prepared the following project network. Start A B F H 0 D E Finish Estimates of the optimistic, most probable, and pessimistic times (in weeks) for the activities are as follows. Activity Optimistic Most Probable A 4 8 Pessimistic 12 B 6 7 8 C 6 12 18 D 3 5 7 E 6 9 18 F 5 8 17 G 10 15 20 H 5 6 13
A Company wants to execute a project within 95 weeks. This project includes 10 activities (labeled A, B, ..., J), where their precedence relationships are shown in the following table: Predecessor Normal Crash Normal Cost Crash Cost Activity Activity Time(weeks) Time(weeks) (in million S) (in million S) A 32 28 160 180 В 28 25 125 146 C A 36 31 170 210 D B 16 13 60 72 E 32 27 135 160 B 54 47 215 257 D 17 15 90 96 H E,G 20 17 120 132 E,G 34 30 190 226 F.C 18 16 80 84 a) Draw the project network according to the previous table. (b)Find all possible paths and the corresponding lengths to finish the project. (c) Which is the critical path and what is its length? (d) Determine the least expensive way to crash activities to reduce overall duration to 95 weeks using Marginal cost analysis.

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