OPERATIONS MANAGEMENT CUSTOM ACCESS
11th Edition
ISBN: 9780135622438
Author: KRAJEWSKI
Publisher: PEARSON EDUCATION (COLLEGE)
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Chapter 7, Problem 2AME
Summary Introduction
Interpretation: The number of weeks that you can increase activity until it becomes critical.
Concept Introduction: Critical path is a method used for evaluate the project. It is used when the activity times are deterministic. It is the longest path in network. It defines the minimum time required for completion of the project.
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Students have asked these similar questions
Make a list of the tasks that is necessary for Management Trainee Officer job in private banks. Develop a table showing each task, its duration, and preceding event(s). Develop a Network diagram for these tasks. Highlight the critical path on your Network diagram and find out slack of all activities.
Which method for determining activity time estimates,deterministic or probabilistic, do you perceive to be preferable? Explain.
Given the network shown above, what is the earliest start time for activity F?
Given the network shown above, what is the earliest start time for activity F?
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Chapter 7 Solutions
OPERATIONS MANAGEMENT CUSTOM ACCESS
Ch. 7 - One of your colleagues comments that software is...Ch. 7 - Explain how to determine the slack for each...Ch. 7 - Define risk as it applies to projects. What are...Ch. 7 - Consider the following data for a project to...Ch. 7 - The following information is known about a project...Ch. 7 - A project for improving a billing process has the...Ch. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Consider the following information for a project...Ch. 7 - Consider the following data for a project to...
Ch. 7 - Paul Silver, owner of Sculptures International,...Ch. 7 - Prob. 9PCh. 7 - The following information concerns a project to...Ch. 7 - Consider a project to produce custom door moldings...Ch. 7 - Table 7.5 contains information about au...Ch. 7 - The Advanced Tech Company has a project to design...Ch. 7 - Prob. 14PCh. 7 - Table 7.8 contains data for the installation of...Ch. 7 - The diagram in Figure 7.12 was developed for the...Ch. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - You are the project manager of the software...Ch. 7 - Jordanne King, the project manager for Webjets...Ch. 7 - Recently, you were assigned to manage a project to...Ch. 7 - In Solved Problem 2, estimate the probability that...Ch. 7 - The director of continuing education at Bluebird...Ch. 7 - Gabrielle Kramer, owner of Pet Paradise, is...Ch. 7 - The project manager of Good Public Relations...Ch. 7 - Consider the office renovation project data in...Ch. 7 - Activity B and activity K are critical activities....Ch. 7 - Prob. 2AMECh. 7 - Prob. 3AMECh. 7 - Prob. 4AMECh. 7 - Prob. 5AMECh. 7 - Assess the four categories of a risk-management...Ch. 7 - Prob. 2VCCh. 7 - Assume you are Denise Tower and have...Ch. 7 - Prob. 1CCh. 7 - Prob. 2CCh. 7 - Prob. 3CCh. 7 - Prob. 4C
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- Describe CPM with Three Activity Time Estimates?arrow_forwardRoger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table: Immediate Predecessor(s) Activity A B C D E F G This exercise contains only parts b, c, and d. b) The critical activities for the leadership training program development project are A-E-G c) The project length for the leadership training program development project = 22 days. d) Slack time for each of the activities is: B A, D C E, F Activity A B Slack Time 0 Time (days) 10 6 3 2 4 8arrow_forwardConsider the project described in the table below: Activity Duration A B C D E F G H 9 4 8 8 5 7 4 6 OEST-9 and LCT = 15 OEST=9 and LCT = 13 Immediate Predecessor What is the earliest start time (EST) and latest completion time (LCT) of activity B? OEST=9 and LCT = 20 OEST-9 and LCT-17 - A A A B B,C C,D E,F,Garrow_forward
- Crashed Completion time (week) Crashed Cost per Preceding Activity Normal Completion Time (week) Activity week A 7 5 $600 $700 $400 $800 12 10 A 8 2 D 9 7 E C, D 5 4 $300 F E 9 8 $500 G D, F 10 10 Find the minimum possible completion time of the project by considering the crashed completion times and the minimal total cost of that crashing the project. Highlight the critical and non-critical activities of the finally completed project by taking into account the crashed times of activities.arrow_forwardThe following is a table of activities associated with a project at Rafay Ishfaq's software firm in Chicago, their durations, what activities each must precede and the crash cost to reduce duration per week: Activity Duration (weeks) Precedes Crash Cost/Week A (start) B с E F (end) 2 2 5 2 3 Activity B. C E F F A Suppose that Rafay is only given 7 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, Each Activity Should be Reduced BY (weeks) $380 $110 week(s) $200 $160 $450arrow_forwardThe following is a table of activities associated with a project at Rafay Ishfaq's software firm in Chicago, their durations, what activities each must precede and the crash cost to reduce duration per week: Activity Duration (weeks) Precedes Crash Cost/Week A (start) B C E F (end) 3 2 6 2 3 Activity B, C E F F A B Suppose that Rafay is only given 9 weeks (instead of 12) 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. $380 $130 $240 Each Activity Should be Reduced BY (weeks) 0 week(s) week(s) $150 $400arrow_forward
- Given the information below, what are the estimated expected (mean) times (in weeks) for activities A-H? What are the estimated standard deviations (in weeks) in the times for activities A-H?arrow_forwardYou are in charge of a project. Your team has determined that there are 7 activities to be completed. Here are the activities, the time to complete the activity and the immediate predecessor of the activity. Using this data 1) construct a Gantt Chart, 2) determine the time it will take to complete the project, 3) You are monitoring the progress of this project and discover that activity C is in danger of taking longer than planned due to funding issues. What options do you have to get the project back on track? Activity Time Immediate Predecessor A 10 Weeks None B 6 Weeks A C 7 Weeks A D 6 Weeks B E 8 Weeks C F 3 Weeks D G 4 Weeks Farrow_forwardYou have the following time and cost information for use in a time-cost CPM scheduling model. Normal Time Crash Time Normal Cost Crash Cost $400 $600 $1200 $1500 Activity A B C 3 5 4 2 3 1 $600 $300 What are the three costs per unit of time to expedite each activity? A. A = $300, B = $200, C = $300 B. A = $100, B = $200, C = $400 C. A= $200, B = $200, C = $200 D. A = $100, B = $400, C = $300 E. A = $200, B = $300, C = $400arrow_forward
- The following represents a project that should be scheduled using CPM: ACTIVITY A B C D E F G H IMMEDIATE PREDECESSORS A A B C, D D, E F,G b. What is the critical path? ⒸA-D-G-H OB-E-G-H ⒸA-C-F-H A-D-F-H Probability TIMES (DAYS) b Project completion time a 1 1 2 1 1 3 1 2 m 2 2 2 8 2 4 3 3 6 9 11 9 3 c. What is the expected project completion time? Note: Do not round intermediate calculations. Round your answer to 3 decimal places. 11 11 11 X Answer is not complete. days d. What is the probability of completing this project within 19 days? Note: Use Excel's NORM.S.DIST function to find the correct probability for your computed Z value. Do not round intermediate calculations. Round Z value to 2 decimal places and final answer to 4 decimal places.arrow_forwardMangement Project management is a discipline that involves planning, organizing, and overseeing the execution of a project from initiation to completion. It encompasses defining project goals, outlining tasks, allocating resources, and managing budgets and timelines. A successful project manager must possess strong leadership skills, effective communication, and the ability to mitigate risks and solve problems efficiently. Collaboration among team members is crucial, as is the flexibility to adapt to unexpected challenges that may arise during the project lifecycle. Continuous monitoring and evaluation ensure that the project stays on track, meeting objectives and delivering value to stakeholders. Question: How can project managers encourage effective collaboration and communication among team members to ensure the successful and timely completion of a project?arrow_forwardDevelopment of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table: Activity A BCDEFG Normal Time Crash Time Normal (weeks) Cost $2,100 Total Cost with Immediate Crashing Predecessor(s) 4 $2,800 $2,200 $2,900 $750 $750 $2,500 $2,820 $1,000 $1,300 $3,200 $4,700 $1,400 $1,900 2 3 8 6 3 4 (weeks) 3 1 34 4 322 a) Based on the given information regarding the activities for the project, the project length = b) The total cost required for completing this project on normal time = $ weeks. c) For reducing the duration of the project by one week, the activity that should be crashed first is activity The cost of the project based on the first activity selected for crashing will increase by $ d) The maximum weeks by which the project can be reduced by crashing = Total cost of crashing the project to minimum (or maximum weeks…arrow_forward
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