OPERATIONS AND SUPPLY CHAIN MANAGEMENT
9th Edition
ISBN: 9781119448037
Author: Russell
Publisher: WILEY
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Textbook Question
Chapter 4, Problem 18P
As a regional sales manager, Nora Burke travels frequently and relies on her cell phone to keep up to date with clients. She has tried three different service providers, Airway, Bellular, and CyCom, with varying degrees of success. The number of failures in a typical eighthour day and the average time to regain service are shown below. Nora’s contract is up for renewal. Which cellular service should she use?
CELLULAR CO.
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As a regional sales manager, Nora Burke travels frequently and relies on her cell phone to keep up to date with clients. She has tried three different service providers, Airway, Bellular, and CyCom, with varying degrees of success. The number of failures in a typical eight-hour day and the average time to regain service are shown below. Nora’s contract is up for renewal. Which cellular service should she use?
Cellular Co.
Number of Failures
Time to Regain Service
Airway
10
2 minutes
Bellular
8
4 minutes
CyCom
3
10 minutes
Manufacturing Cycle Efficiency Waymouth Manufacturing operates a contract manufacturingplant located in Dublin, Ireland. The plant provides a variety of electronics products and components to consumer goods manufacturers around the world. Cycle time is a critical success factorfor Waymouth, which has developed a number of measures of manufacturing speed. Waymouthhas studied the matter and found that competitive contract manufacturers have manufacturing cycleefficiency (MCE) of about 40%. When last calculated, Waymouth’s MCE was 35%.Key measures from the recent month’s production, averaged over all the jobs during that period,are as follows:[LO 13-2]Activity Average Time (hours)New product development 30Materials handling 2Order setup 6Machine maintenance 3Order scheduling 1Inspection of completed order 5Pack and move to storage or ship 2Manufacturing assembly 24Order taking and checking 3Receiving and stocking raw materials 6Inspection of raw materials at start of production 2Required…
Mont Corp produces and sells 1,000 dining tables per year. Currently its only quality problem with the products is related to varnishing. It currently incurs $400 per year for quality training and $600 per year for reliability engineering. Inspection cost is $6 per unit, and all units produced are inspected.
Traditionally, at an internal inspection, 9% of all units fully-produced are found to have problems with the varnishing, and are reworked. Rework cost is $100 per unit. Defective units sold to customers are returned to the company and reworked. External failures are 1% of units sold, and the company incurs the shipping costs at the rate of $20 per unit.
In 2020, management are considering an alternative method of inspecting products which will reduce inspection cost by $1.50 per unit. The alternative method will reduce the internal failure to 4% of all units produced, and increase the external failure rate to 6% of all units sold. In addition, with the alternative inspection…
Chapter 4 Solutions
OPERATIONS AND SUPPLY CHAIN MANAGEMENT
Ch. 4 - Designing the Everyday Michael Graves, probably...Ch. 4 - Designing the Everyday Michael Graves, probably...Ch. 4 - Jugaad, Design for the Times India has a Hindi...Ch. 4 - Jugaad, Design for the Times India has a Hindi...Ch. 4 - Consider Nikes Flyknit Design Nike has been...Ch. 4 - Consider Nikes Flyknit Design Nike has been...Ch. 4 - Consider Nikes Flyknit Design Nike has been...Ch. 4 - Creating Fairphones Fairphone launched its first...Ch. 4 - Creating Fairphones Fairphone launched its first...Ch. 4 - Creating Fairphones Fairphone launched its first...
Ch. 4 - Creating Fairphones Fairphone launched its first...Ch. 4 - Describe the strategic significance of design. How...Ch. 4 - Give an example of a product or service you have...Ch. 4 - Sometimes failures provide the best opportunities...Ch. 4 - BusinessWeek sponsors a best design competition...Ch. 4 - Prob. 6QCh. 4 - Prob. 7QCh. 4 - Prob. 8QCh. 4 - Prob. 10QCh. 4 - Prob. 11QCh. 4 - Prob. 12QCh. 4 - Prob. 13QCh. 4 - How can design teams improve the quality of...Ch. 4 - Discuss the concept of concurrent design. What are...Ch. 4 - Prob. 16QCh. 4 - Describe the objectives of failure mode and effect...Ch. 4 - Prob. 22QCh. 4 - Prob. 1PCh. 4 - An alternative airplane design is given here....Ch. 4 - Calculate the reliability of the following system.Ch. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Glen Evans is an emergency medical technician for...Ch. 4 - Examine the systems given below. Which system is...Ch. 4 - Prob. 9PCh. 4 - Prob. 10PCh. 4 - Prob. 11PCh. 4 - You have won two tickets to a Lady Gaga concert in...Ch. 4 - Prob. 13PCh. 4 - La Pied manufactures high-quality orthopedic...Ch. 4 - Prob. 15PCh. 4 - The Management Department recently purchased a...Ch. 4 - Prob. 17PCh. 4 - As a regional sales manager, Nora Burke travels...Ch. 4 - Nadia Algar is the overworked IT resource person...Ch. 4 - Derek is disappointed in his high-speed Internet...Ch. 4 - Prob. 21PCh. 4 - Prob. 1.1CPCh. 4 - Prob. 1.2CPCh. 4 - Prob. 1.3CPCh. 4 - Greening Product Design Hal Parker was not...Ch. 4 - Greening Product Design Hal Parker was not...Ch. 4 - Greening Product Design Hal Parker was not...Ch. 4 - Greening Product Design Hal Parker was not...Ch. 4 - Lean and Mean Megan McNeil, product manager for...
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