EBK OPERATIONS MANAGEMENT
EBK OPERATIONS MANAGEMENT
14th Edition
ISBN: 9781260718447
Author: Stevenson
Publisher: MCG COURSE
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Chapter 14.S, Problem 5DRQ
Summary Introduction

To determine: Themain technique organizations employ to handle breakdowns.

Introduction: Maintenance programs are frequently composed into two classifications: (a) building and grounds – Building and grounds is in charge of the exterior look and working of structures, parking areas, yards, wall, etc. (b) Machinery protection – Machinery protection is in charge of keeping up apparatus and hardware in excellent working condition and making every single vital repair.

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It 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…
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…
Note: 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…
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