Operations Management
11th Edition
ISBN: 9780132921145
Author: Jay Heizer
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 3, Problem 14P
Kelle Carpet and Trim installs carpet in commercial offices. Peter Kelle has been very concerned with the amount of time it took to complete several recent jobs. Some of his workers are very unreliable. A list of activities and their optimistic completion time, the most likely completion time, and the pessimistic completion time (all in days) for a new contract are given in the following table:
- a. Determine the expected completion time and variance for each activity.
- b. Determine the total project completion time and the critical path for the project
- c. Determine ES, EF, LS, LF, and slack for each activity.
- d. What is the probability that Kelle Carpet and Trim will finish the project in 40 days or less?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Conclusion: The report recommendations and broad conclusion to the essay.
TOTAL
5
100
As part of your new role, as a strategy consultant and member of the steering committee, discuss what
logistics and transportation strategies you will execute to achieve operational efficiencies and facilitate
economic growth in SA. The committee would like to have a implementable strategic transport and
logistics plan to realise the roadmap vision based on the subsection numbering given below!
QUESTION ONE
Introduction: Must include an overview and history of South Africa's Road, rail and freight transport network.
Marks
5
1.2
What are the current freight and logistic challenges on the road network
10
1.3
Discuss key relevant financials of infrastructure, industries and revenue resulting in this logistics
crisis.
15
Chapter 3 Solutions
Operations Management
Ch. 3 - Give an example of a situation in which project...Ch. 3 - Explain the purpose of project organization.Ch. 3 - What are the three phases involved in the...Ch. 3 - What are some of the questions that can be...Ch. 3 - Define work breakdown structure. How is it used?Ch. 3 - What is the use of Gantt charts in project...Ch. 3 - What is the difference between an...Ch. 3 - What is the significance of the critical path?Ch. 3 - What would a project manager have to do to crash...Ch. 3 - Describe how expected activity times and variances...
Ch. 3 - Define earliest start, earliest Finish, latest...Ch. 3 - Students are sometimes confused by the concept of...Ch. 3 - What are dummy activities? Why are they used in...Ch. 3 - What are the three time estimates used with PERT?Ch. 3 - Would a project manager ever consider crashing a...Ch. 3 - How is the variance of the total project computed...Ch. 3 - Describe the meaning of slack, and discuss how it...Ch. 3 - How can we determine the probability that a...Ch. 3 - Name some of the widely used project management...Ch. 3 - The work breakdown structure (WBS) for building a...Ch. 3 - 3.2 Robert Day has decided to run for a seat as...Ch. 3 - Draw the activity-on-node (AON) project network...Ch. 3 - Given the activities whose sequence is described...Ch. 3 - 3.5 Using AOA, diagram the network described below...Ch. 3 - Stephen Hall is developing a program in supply...Ch. 3 - Task time estimates for the modification of an...Ch. 3 - 3.8 The City Commission of Nashville has decided...Ch. 3 - Refer to the table in Problem 3.8. a. Draw the AON...Ch. 3 - The activities needed to build a prototype laser...Ch. 3 - Dave Fletcher (see Problem 3.10) was able to...Ch. 3 - The activities described by the following table...Ch. 3 - A renovation of the gift shop at Orlando Amway...Ch. 3 - Kelle Carpet and Trim installs carpet in...Ch. 3 - The following is a table of activities associated...Ch. 3 - Assume that the activities in Problem 3.15 have...Ch. 3 - Bill Fennema, president of Fennema Hospitality,...Ch. 3 - What is the minimum cost of crashing the following...Ch. 3 - Three activities are candidates for crashing on a...Ch. 3 - Development of Version 2.0 of a particular...Ch. 3 - The estimated times and immediate predecessors for...Ch. 3 - Rich Cole Control Devices, Inc., produces...Ch. 3 - Four Squares Productions, a firm hired to...Ch. 3 - Using PERT, Adam Munson was able to determine that...Ch. 3 - Clark Products makes pizza ovens for commercial...Ch. 3 - The Tesla 6 is a new custom-designed sports car....Ch. 3 - TABLE 3.6 Southwestern University Project 1....Ch. 3 - TABLE 3.6 Southwestern University Project 2 What...Ch. 3 - TABLE 3.6 Southwestern University Project 3. If it...Ch. 3 - Project Management at Arnold Palmer Hospital Video...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...
Additional Business Textbook Solutions
Find more solutions based on key concepts
(Record inventory transactions in the periodic system) Wexton Technologies began the year with inventory of 560...
Financial Accounting (12th Edition) (What's New in Accounting)
E3-18 Comparing cash and accrual basis accounting and applying the revenue recognition principle
Learning Ob...
Horngren's Accounting (12th Edition)
(Interest rate determination) You’re looking at some corporate bonds issued by Ford, and you are trying to det...
Foundations Of Finance
The flowchart for the process at the local car wash. Introduction: Flowchart: A flowchart is a visualrepresenta...
Principles of Operations Management: Sustainability and Supply Chain Management (10th Edition)
2. Identify and stale two generally accepted accounting principles that relate to adjusting the accounts.
Financial Accounting: Tools for Business Decision Making, 8th Edition
1-1. Define marketing and outline the steps in the marketing process. (AASCB: Communication)
Marketing: An Introduction (13th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- As part of your new role, as a strategy consultant and member of the steering committee, discuss what logistics and transportation strategies you will execute to achieve operational efficiencies and facilitate economic growth in SA. The committee would like to have a implementable strategic transport and logistics plan to realise the roadmap vision based on the subsection numbering given below: QUESTION ONE Marks 5 Introduction: Must include an overview and history of South Africa's Road, rail and freight transport network. 1.1 Assess what led to such logistical inefficiencies/collapse of a previously world class freight network 10 1.2 What are the current freight and logistic challenges on the road network 10 1.3 Discuss key relevant financials of infrastructure, industries and revenue resulting in this logistics crisis. 15 1.4 Discuss how the key stakeholder partnerships - current and future are critical to government and business as part of the overall intermodal transport strategy.…arrow_forwardWhat are the current freight and logistic challenges on the road network Discuss key relevant financials of infrastructure, industries and revenue resulting in this logistics crisis. 10 15arrow_forward1.5 If you examine the freight supply and value chain, what transport and infrastructure strategies and 25 plans need to be implemented to improve operation efficiencies and reduce costs. 5 1.6 15 Discuss how implementation of a strategic intermodal transport plan can further unlock and improve South Africa's GDP and international recognition.arrow_forward
- A certain business process is no longer providing the desired benefits, therefore it needs to be re-designed through a project. You have to: Choose the business process to re-design and specify the reason why it is no longer satisfactory. Ask ChatGPT (or a similar generative AI; specify name and version) to create a Project Charter for the process redesign project. Modify and refine the response provided by the AI tool ensuring it complies with the instructor’s lesson, with particular focus on the project goals, project objectives, and deliverables (remember: project objectives must be SMART!). Your work must be delivered in the following format: a)Describe the business process to re-design (example: “The process of hiring and integrating new employees into the Sales Administration department”. Do not exceed 20 words) b)Specify the reason to re-design the business process which is already in place (describe the reason why the current process is no longer satisfactory, for…arrow_forwardThe demand for subassembly S is 100 units in week 7. Each unit of S requires 1 unit of T and 2 units of U. Each unit of T requires 1 unit of V, 2 units of W, and 1 unit of X. Finally, each unit of U requires 2 units of Y and 3 units of Z. One firm manufactures all items. It takes 2 weeks to make S, 1 week to make T, 2 weeks to make U, 2 weeks to make V, 3 weeks to make W, 1 week to make X, 2 weeks to make Y, and 1 week to make Z. Click the icon to view the product structure and the time-phased product structure. Click the icon to view the on-hand inventory. Construct a net material requirements plan using on-hand inventory (enter your responses as whole numbers). Item 1 2 3 Week 4 Lead Time 5 6 7 (weeks) S Gross req On hand Net req Order receipt Order release T Gross req On hand Net req Order receipt Order release Gross rea 100 100arrow_forwardIt is January 1 of year 0, and Merck is trying to determine whether to continue development of a newdrug. The following information is relevant. You can assume that all cash flows occur at the ends of therespective years.■ Clinical trials (the trials where the drug is tested on humans) are equally likely to be completed in year1 or 2.■ There is an 80% chance that clinical trials will succeed. If these trials fail, the FDA will not allow thedrug to be marketed.■ The cost of clinical trials is assumed to follow a triangular distribution with best case $100 million,most likely case $150 million, and worst case $250 million. Clinical trial costs are incurred at the end ofthe year clinical trials are completed.■ If clinical trials succeed, the drug will be sold for five years, earning a profit of $6 per unit sold.■ If clinical trials succeed, a plant will be built during the same year trials are completed. The cost of theplant is assumed to follow a triangular distribution with best case $1…arrow_forward
- 1) Under “Costs of Quality”, costs associated with quality can be classified into four categories: appraisal, prevention, internal failures, and external failures. The costs of quality for Corley Motors Logistics is given in the table. Cost Elements Amount Checking outbound boxes for errors $31,000 Quality planning $10,625 Downtime due to conveyor/computer problems $342,125 Incoming product inspection $21,000 Customer complaint rework $33,000 Correcting erroneous orders before shipping $36,550 Quality training of associates $25,925 Correction of typographical errors--pick tickets $11,475 a) Classify the quality cost elements given in the table into the different quality cost categories (prevention, appraisal, internal failure, external failure). b) Total the quality costs in each of the different quality cost categories (prevention, appraisal, internal failure, external failure). c) Using a) and b), suggest which areas…arrow_forwardNote: In chapter 9, section 9.4 of the Stevenson text, the costs of quality are covered; chapter 9 Stevenson lecture power point slide 7 touches upon this topic; see lecture video, 3.55 mins to 4.54 mins. 2) The production process at Hansa Ceylon Coffee fills boxes with dark arabica coffee. The data for the fill weight (in ounces) of eight samples are presented below. A sample size of six was used. The firm’s operations analyst wants to construct X-bar and R-charts to monitor the filling process. Sample Sample Mean Sample Range 1 15.80 0.42 2 16.10 0.38 3 16.02 0.08 4 15.95 0.15 5 16.12 0.42 6 16.18 0.23 7 15.87 0.36 8 16.20 0.40 a) Calculate the upper and lower control limits for the X-bar chart. b) Calculate the upper and lower control limits for the R chart. c) Is the process under control? Why or why not? Note: In chapter 10, section 10.3 of the Stevenson text, control charts for variables are…arrow_forwardDo the inherent differences between private and public sector objectives—profit versus publicgood—render private sector category management practices unsuitable for public sectorpurchasing, where open tendering is the norm?You have now undergone the Category Management classes and your superiors have requestedfor your input on how to integrate some of the learnings into the public sector policy. Discuss and elaborate what are the activities and governance you would introduce in yourrecommendations without violating the principle of transparency and accountability withinyour organisation. This is based on Singapore context. Pls provide a draft with explanation, examples and useful links for learning purposes. Citations will be good too. This is a module in SUSS called category management and supplier evaluationarrow_forward
- Travelling and working internationally can lead to a life of adventure and unique career experiences. For businesses, selecting the right candidates to take on foreign assignments can propel, delay, or deny the success of the international ventures. As an international manager, identify key competencies you would look for in choosing expatriates. What might be some of their concerns in taking on overseas assignments? What are some best practices in supporting expats during and after their assignments?arrow_forwardTravelling and working internationally can lead to a life of adventure and unique career experiences. For businesses, selecting the right candidates to take on foreign assignments can propel, delay, or deny the success of the international ventures. As an international manager, identify key competencies you would look for in choosing expatriates. What might be some of their concerns in taking on overseas assignments? What are some best practices in supporting expats during and after their assignments?arrow_forwardI need answer typing clear urjent no chatgpt used pls i will give 5 Upvotes.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,
Purchasing and Supply Chain ManagementOperations ManagementISBN:9781285869681Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. PattersonPublisher:Cengage Learning
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
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
Inventory Management | Concepts, Examples and Solved Problems; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=2n9NLZTIlz8;License: Standard YouTube License, CC-BY