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978-0132921145 Chapter 1
Copyright ©2014 Pearson Education, Inc. 1 1 C H A P T E R Operations and Productivity DISCUSSION QUESTIONS intellectual and therefore harder to measure. Because the U.S. and 1. The text suggests four reasons to study OM. We want […]
978-0132921145 Chapter 10 Part 1
Copyright ©2014 Pearson Education, Inc. 141 Human Resources, Job Design, and Work Measurement DISCUSSION QUESTIONS Job specialization implies the opposite of job enrichment or eral lifestyle or employment. Students should be encouraged not to identify a particular “right” job, but […]
978-0132921145 Chapter 10 Part 2
Copyright ©2014 Pearson Education, Inc. = = = + + + + = = = + + + = = = Element 2 0.74 minutes 55 0.4 0.5 0.3 0.6 0.5 2.3 Element 3 0.46 minutes 55 1.0 0.9 1.0 […]
978-0132921145 Chapter 11
Copyright ©2014 Pearson Education, Inc. 159 C H A P T E R 11 Supply-Chain Management DISCUSSION QUESTIONS inventory with members of the supply chain to improve 1. Supply-chain management is the management of the activities that procure raw materials, […]
978-0132921145 Chapter 11S
Copyright ©2014 Pearson Education, Inc. 165 11 S U P P L E M E N T Supply-Chain Management Analytics 1. A unique event disrupts only one supplier (e.g., it went demand forecast updating (cumulative uncertainty), which can be remedied […]
978-0132921145 Chapter 12 Part 1
12 C H A P T E R Inventory Management DISCUSSION QUESTIONS 1. Eliminating the shutdown and interruption of production 1. The four types of inventory are: Raw material—items that are to be converted into product ◼ Work-in-process (WIP)—items that […]
978-0132921145 Chapter 12 Part 2
Copyright ©2014 Pearson Education, Inc. chemical and whether there is adequate space in the controlled environment to handle 1,200 pounds of the chemical at one time. (b) ROP = 60 + 9 = 69 BX-5 bandages. 100 100 30 […]
978-0132921145 Chapter 13 Part 1
13 C H A P T E R Aggregate Planning DISCUSSION QUESTIONS 1. Sales and Operations Planning (S&OP) balances resources and forecast demand and aligns the organization’s competing demand (from supply chain to final customer) while linking 2. S&OP teams […]
978-0132921145 Chapter 13 Part 2
CHAPTER 13 AG G R EG A T E PL A N N I N G 197 (a) Plan A: Hiring and Layoff plan (b) Plan B: Level Strategy of 1,350 cases An alternative way of viewing this problem assigns […]
978-0132921145 Chapter 13 Part 3
CHAPTER 13 AG G R EG A T E PL A N N I N G 205 (c) The accounting business, as everyone recognizes, has one extremely busy season (during March and April tax preparation time), and several less hectic […]
978-0132921145 Chapter 14 Part 1
Copyright ©2014 Pearson Education, Inc. 211 DISCUSSION QUESTIONS (b) A consistent lack of capacity suggests a capital in- (MRP) and distribution resource planning (DRP) are that the procedures and logic are analogous. ny; and (3) Modules in a repetitive (assemble–to–stock) […]
978-0132921145 Chapter 14 Part 2
CHAPTER 14 MA T E R I A L RE Q U I R E M E N T S PL A N N I N G ( M RP) AND E RP 221 Week No. 1 2 3 4 […]
978-0132921145 Chapter 14 Part 3
CHAPTER 14 MA T E R I A L RE Q U I R E M E N T S PL A N N I N G ( M RP) AND E RP 231 14.26 Lot Size Time (# of […]
978-0132921145 Chapter 15 Part 1
15 C H A P T E R Short-Term Scheduling DISCUSSION QUESTIONS 10. Four effectiveness measures for dispatching rules: average 1. The objective of scheduling is to optimize the use of resources so that production objectives are met. 2. Four […]
978-0132921145 Chapter 15 Part 2
Copyright ©2014 Pearson Education, Inc. (b, c) Note: Y could also be placed first, with no change in total times. (d) Binding is idle from 0 to 4 and from 51 to 54 for a total of 7 hours. (e) […]
978-0132921145 Chapter 16
Copyright ©2014 Pearson Education, Inc. 255 16 C H A P T E R JIT, TPS, and Lean Operations 1. JIT is a philosophy of continuous and forced problem solving. It is a continuous program that replaces a series of […]
978-0132921145 Chapter 17
Copyright ©2014 Pearson Education, Inc. 259 17 C H A P T E R Maintenance and Reliability DISCUSSION QUESTIONS ◼ Effectiveness of preventive maintenance as measured by: 1. The objective of maintenance and reliability is to maintain the capability of […]
978-0132921145 Chapter 2
Copyright ©2014 Pearson Education, Inc. 7 2 C H A P T E R Operations Strategy in a Global Environment DISCUSSION QUESTIONS Human resources Employment of certified versus noncertified 1. Global seems the better label for Boeing since authority and […]
978-0132921145 Chapter 3 Part 1
12 Copyright ©2014 Pearson Education, Inc. DISCUSSION QUESTIONS ing a new assembly line, and so on. ◼ Which are the critical activities or tasks in the project; that is, the activities that will delay the entire project if com- pleted […]
978-0132921145 Chapter 3 Part 2
CHAPTER 3 PRO J E C T MA N A G E M E N T 21 2 8 5 9 Variance (O) 6 36 æö –÷ ç == ÷ ç÷ ÷ ç èø 16 9 2.25 9 Project variance […]
978-0132921145 Chapter 4 Part 1
28 Copyright ©2014 Pearson Education, Inc. DISCUSSION QUESTIONS (d) Providing each expert with the summary of all responses tain, qualitative models may be appropriate. (c) Determine the time horizon of the forecast (d) Select the type of forecasting model to […]
978-0132921145 Chapter 4 Part 2
Copyright ©2014 Pearson Education, Inc. (c) Y = 36 + 4.3(90) = 423 1,280 320 additional $18 in bar sales. 38 CHAPTER 4 FO R E C A S T I N G Fall 74 52 98 74.67 106.67 0.700 […]
978-0132921145 Chapter 4 Part 3
Copyright ©2014 Pearson Education, Inc. 42 42 70.90 49.84 443.528 43 43 79.10 51.4782 762.964 44 44 94.00 53.1165 1,671.46 TOTALS 990.00 787.30 7,559.95 AVERAGE 22.50 17.893 171.817 (MSE) 40 4.50 55.80 43.5357 12.2643 150.412 41 4.60 70.10 44.8951 25.20 […]
978-0132921145 Chapter 5 Part 1
5 C H A P T E R Design of Goods and Services DISCUSSION QUESTIONS 8. Robust design means the product is designed so that small 1. Explicit documentation accomplishes two things: (a) It provides the information necessary to produce […]
978-0132921145 Chapter 5 Part 2
58 CHAPTER 5 DE S I G N O F GO O D S A N D SE R V I C E S 5.18 The decision tree is shown here: The joint design provides the lowest EMV and hence […]
978-0132921145 Chapter 5S
64 Copyright ©2014 Pearson Education, Inc. 5 S U P P L E M E N T Sustainability in the Supply Chain what is in the “common.” Therefore, companies that don’t prac- tice corporate social responsibility run the risk of […]
978-0132921145 Chapter 6 Part 1
68 Copyright ©2014 Pearson Education, Inc. DISCUSSION QUESTIONS common goals and stick with them—“constancy of purpose”—is 1. Higher quality leads to greater demand, greater market share, and greater economies of scale. In addition, higher quality leads to less scrap, rework, […]
978-0132921145 Chapter 6 Part 2
CHAPTER 6 MAN A G IN G QU A L I T Y 75 6.13 (a) (b) Conclusion: Most of the defects are the result of mis- placed transistors. 6.14 6.12 Recommendation: Start improvement by focusing on the high- frequency […]
978-0132921145 Chapter 6S Part 1
6 S U P P L E M E N T Statistical Process Control DISCUSSION QUESTIONS 9. Yes; “out of control” means that the process has changed. If 1. Shewhart’s two types of variation, common and special caus- es, are […]
978-0132921145 Chapter 6S Part 2
88 SUPPLEMENT 6 ST A T I S T I C A L PR O C E S S CO N T R O L Sample Late Flights Percentage of Late Flights Percentage (n/100) in Sample Late Flights (n/100)* Sample […]
978-0132921145 Chapter 7
94 Copyright ©2014 Pearson Education, Inc. 7 C H A P T E R Process Strategy 1. Process strategy is the organization’s approach to transform- ing resources into goods and services. 2. Product Likely Process (a) Beer Product Focused/Continuous (b) […]
978-0132921145 Chapter 7S Part 1
Copyright ©2014 Pearson Education, Inc. 101 DISCUSSION QUESTIONS scheduling, maintenance, and standards of quality. some of the work to another workstation, increasing the capacity 3. Efficiency is the actual output as a percent of effective capacity. Efficiency = Actual output/Effective […]
978-0132921145 Chapter 7S Part 2
Copyright ©2014 Pearson Education, Inc. Machine A Inflow Outflow at 7%* PV Inflow PV Outflow (Inflow–Outflow) Period 0 0 300,000 1 0 300,000 –300,000 Period 1 80,000 0 0.9346 74,766.35 0 74,766.35 Period 2 80,000 0 0.8734 69,875.09 0 69,875.09 […]
978-0132921145 Chapter 8 Part 1
112 Copyright ©2014 Pearson Education, Inc. DISCUSSION QUESTIONS ◼ Proximity to raw materials/customers closures. 2. The major reason for U.S. firms to locate overseas is often lower labor costs, but as this chapter, and Chapter 2 suggest, there decision becomes […]
978-0132921145 Chapter 8 Part 2
118 CHAPTER 8 LO C A T I O N ST R A T E G I E S 8.25 (a) Weighted scores: British International Airways Milan Rome Genoa Paris Lyon Nice 3,415 2,945 3,425 3,155 3,970 3,660 Munich Bonn […]
978-0132921145 Chapter 9 Part 1
Copyright ©2014 Pearson Education, Inc. 123 DISCUSSION QUESTIONS ◼ Retail layout ◼ Product-oriented/repetitive layout ◼ Office layout ◼ Work cells dynamic. The disadvantages of a process layout are: ◼ The use of general purpose rather than special purpose equipment tends […]
978-0132921145 Chapter 9 Part 2
Copyright ©2014 Pearson Education, Inc. it is possible to increase the throughput to at least five per hour with this simple layout: The bottlenecks are now the two stations, psychological exam and eye/measurements, taking 12 minutes. Task Successors Task Successors […]
978-0132921145 Module A Part 1
264 Copyright ©2014 Pearson Education, Inc. Decision-Making Tools DISCUSSION QUESTIONS 7. EVPI is the difference between payoff under certainty and able information. It is possible for an unfortunate or undesired out- come to result from a “good” decision (witness a […]
978-0132921145 Module A Part 2
Copyright ©2014 Pearson Education, Inc. .25 (b) EMV (X) = .45(18) + .55(–18) = –1.8 EMV (Y) = .45(−9) + .55(15) = 4.2 Best EMV (X&Y) = .45(9) + .55(−3) = 2.4 EMV (Nothing) = 0 Y is best […]
978-0132921145 Module B Part 1
277 Copyright ©2014 Pearson Education, Inc. Linear Programming DISCUSSION QUESTIONS minimize cost, minimizing shipping cost, developing production schedules, and allocating space. constraints. A feasible solution is any combination of x, y coordi- nates (or x1, x2 coordinates) that is in […]
978-0132921145 Module B Part 2
Copyright ©2014 Pearson Education, Inc. 286 BUSINESS ANALYTICS MODULE B LIN E A R PR O G R A M M I N G B.30 Foods Cost/ Serving Calories/ Serving Percent Protein Percent Carbs Percent Fat Fruit/ Vegetable Apple sauce(AS) […]
978-0132921145 Module C Part 1
295 Copyright ©2014 Pearson Education, Inc. C B U S I N E S S A N A L Y T I C S MOD U L E Transportation Models DISCUSSION QUESTIONS 1. Three information needs of the model: the […]
978-0132921145 Module C Part 2
304 BUSINESS ANALYTICS MODULE C TRA N S P O R T A T I O N MO D E L S Evaluating improvement indices, we find: Improvement indices: A2 5 10 15 8 2 B3 14 15 8 6 […]
978-0132921145 Module D Part 1
D B U S I N E S S A N A L Y T I C S M O D U L E Waiting-Line Models DISCUSSION QUESTIONS come from observing “the line is too long” to “the line isn’t […]
978-0132921145 Module D Part 2
Copyright ©2014 Pearson Education, Inc. day, U = 6 days Service rate = 5 patients/hour 16 XTU = = = ++ The value 0.145 will be used for X when referencing Table D.8. (a) The average number of machines waiting […]
978-0132921145 Module E
Copyright ©2014 Pearson Education, Inc. 326 E B U S I N E S S A N A L Y T I C S M O D U L E Learning Curves DISCUSSION QUESTIONS 2. What should the learning curve […]
978-0132921145 Module F Part 1
F B U S I N E S S A N A L Y T I C S M O D U L E Simulation DISCUSSION QUESTIONS 7. Monte Carlo simulation is a technique that uses random 1. The seven […]
978-0132921145 Module F Part 2
340 BUSINESS ANALYTICS MODULE F SI M U L A T I ON Copyright ©2014 Pearson Education, Inc. ADDITIONAL HOMEWORK PROBLEMS Here are solutions to additional homework problems that appear at www.myomlab.com and www.pearsonhighered.com/heizer. F.19 Demand RN Interval 4 01–10 […]
978-0132921145 Online Tutorial 1
347 Copyright ©2014 Pearson Education, Inc. 1 O N L I N E T U T O R I A L Statistical Tools for Managers DISCUSSION QUESTIONS 1. A probability distribution is a statement of a probability function which assigns […]
978-0132921145 Online Tutorial 2
Copyright ©2014 Pearson Education, Inc. 352 2 O N L I N E T U T O R I A L Acceptance Sampling 1. Single sampling specifies the acceptable number of defects. Double sampling means that a second sample is […]
978-0132921145 Online Tutorial 3
Copyright ©2014 Pearson Education, Inc. 354 3 O N L I N E T U T O R I A L The Simplex Method of Linear Programming DISCUSSION QUESTIONS 1. The fundamental purpose of the simplex procedure is to ena- […]
978-0132921145 Online Tutorial 5
Copyright ©2014 Pearson Education, Inc. 366 5 O N L I N E T U T O R I A L* Vehicle Routing and Scheduling DISCUSSION QUESTIONS 1. (a) Routing problems concern determining the order in which a single vehicle […]
Management Chapter 1 1 including service firms such as banks and hospitals, have a production function
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 1 Operations and Productivity Section 1 What is Operations Management? 1) Some of the operations-related activities of Hard Rock Café include designing meals and analyzing them for ingredient cost […]
Management Chapter 1 2 Which productivity variable has the greatest potential to increase productivity
Copyright © 2014 Pearson Education, Inc. 3) Productivity is the total value of all inputs to the transformation process divided by the total value of the outputs produced. Answer: FALSE Diff: 1 Key Term: Productivity 4) Illiteracy and poor diets […]
Management Chapter 13 3 Techniques for controlling the cost of labor in services include accurate scheduling
Copyright © 2014 Pearson Education, Inc. 23) Houma Containers, Inc., makes industrial fiberglass tanks that are used on offshore oil platforms. Demand for the next four months and capacities of the plant are shown in the table below. Unit cost […]
Management Chapter 2 1 The World Trade Organization has helped to significantly reduce tariffs around the world
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 2 Operations Strategy in a Global Environment Section 1 A Global View of Operations and Supply Chains 1) Boeing’s development of the 787 Dreamliner is an example of a […]
Management Chapter 2 2 Standardization is an appropriate strategy in which stage of the product life cycle
Copyright © 2014 Pearson Education, Inc. 8) Standardization is an appropriate strategy in which stage of the product life cycle? A) introduction B) growth C) maturity D) decline E) retirement Answer: C Diff: 2 Learning Outcome: Discuss operations and operations […]
Management Chapter 3 1 What are the three phases of a project? Describe each in a sentence or two
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 3 Project Management Section 1 The Importance of Project Management 1) One phase of a large project is scheduling. Answer: TRUE Diff: 1 Learning Outcome: Describe the goals and […]
Management Chapter 3 2 Describe in words how to calculate a project’s standard deviation
Copyright © 2014 Pearson Education, Inc. 26) Given the project within the table below, calculate the following: a. The critical path b. The minimum project duration c. The amount of slack for each activity Activity Duration (hours) Immediate Predecessors A […]
Management Chapter 3 3 crashing an activity must consider the impact on all paths in the network
Copyright © 2014 Pearson Education, Inc. 30) Consider the network described in the table below. Activity Immediate Predecessor(s) Pessimistic Probable Optimistic J — 15 10 8 K — 9 8 7 L J 10 6 5 M J 3 3 […]
Management Chapter 4 1 Demand forecasts serve as inputs to financial, marketing, and personnel planning
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 4 Forecasting Section 1 What is Forecasting? 1) Forecasts may be influenced by a product’s position in its life cycle. Answer: TRUE Diff: 1 Learning Outcome: Describe major approaches […]
Management Chapter 4 2 Distinguish between a weighted moving average model and an exponential smoothing model.
Copyright © 2014 Pearson Education, Inc. 42) ________ expresses the error as a percent of the actual values. A) MAD B) MSE C) MAPE D) FIT E) The smoothing constant Answer: C Diff: 2 Key Term: Mean absolute percent error […]
Management Chapter 4 3 The larger the standard error of the estimate, the more accurate the forecasting model
Copyright © 2014 Pearson Education, Inc. 74) The last seven weeks of demand at a new car dealer are shown below. Use a three-period weighted- moving average forecast to determine a forecast for the 8th week using weights of 3, […]
Management Chapter 5 1 The four phases of the product life cycle are incubation, introduction, growth, and decline
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 5 Design of Goods and Services Section 1 Goods and Services Selection 1) Regal Marine’s attempts to keep in touch with customers and respond to the marketplace are made […]
Management Chapter 5 2 An assembly drawing lists the operations necessary to produce the component
Copyright © 2014 Pearson Education, Inc. 7) The hierarchy of components, their description, and the quantity of each required to make one unit of a product are documented on: A) a group technology listing. B) a route sheet. C) a […]
Management Chapter 6 1 Arnold Palmer Hospital uses which of the following quality management techniques
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 6 Managing Quality Section 1 Quality and Strategy 1) Managers at Arnold Palmer Hospital take quality so seriously that the hospital typically is a national leader in several quality […]
Management Chapter 6 2 What is the difference between conformance-oriented quality and target-oriented quality
Copyright © 2014 Pearson Education, Inc. 39) What is the difference between conformance-oriented quality and target-oriented quality? Answer: With conformance-oriented quality, any unit that meets specifications is acceptable, whether it is on the edges or center of the specification range. […]
Management Chapter 6 3 Security is the determinant of service quality that means freedom from danger
Copyright © 2014 Pearson Education, Inc. 23) Construct a cause-and-effect diagram for why students arrive to class late. Include at least three reasons for each of the Ms. 6-32 Answer: Student responses should look like the above, with the 4 […]
Management Chapter 8 1 A location decision for an appliance manufacturer would tend to have what type of focus
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 8 Location Strategies Section 1 The Strategic Importance of Location 1) FedEx chose Memphis, Tennessee, for its central location, or “hub,” primarily because of the incentives offered by the […]
Management Chapter 8 2 What are the advantages and disadvantages of the use of the factor rating method
Copyright © 2014 Pearson Education, Inc. 18) Production and transportation costs are always considered in which of the following location decision methods? A) traffic counts B) transportation model C) purchasing power D) proximity of markets E) clustering Answer: B Diff: […]
Management Chapter 8 3 A small manufacturer is considering several locations for a new facility
Copyright © 2014 Pearson Education, Inc. 40) A small producer of music boxes wants to move to a larger facility. Two alternative facilities have been found. Site 1 has a fixed cost of $500,000 per year, with a variable cost […]
Management Chapter 9 1 In what specific areas does the layout decision establish a firm’s competitive priorities
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Chapter 9 Layout Strategies Section 1 The Strategic Importance of Layout Decisions 1) The objective of layout strategy is to develop an effective and efficient layout that will meet the […]
Management Mod A 1 Analytic decision making is based on logic and considers all available data
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Module A Decision-Making Tools Section 1 The Decision Process in Operations 1) Analytic decision making is based on logic and considers all available data and possible alternatives. Answer: TRUE Diff: […]
Management Mod A 2 A toy manufacturer has three different mechanisms that can be installed
Copyright © 2014 Pearson Education, Inc. 44) An operations manager’s staff has compiled the information below for four manufacturing alternatives (E, F, G, and H) that vary by production technology and the capacity of the machinery. All choices enable the […]
Management Mod B 1 Operations Management Heizer render module Linear Programming section Why
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Module B Linear Programming Section 1 Why Use Linear Programming? 1) Linear programming helps operations managers make decisions necessary to make effective use of resources such as machinery, labor, money, […]
Management Mod B 2 Explain how to use the iso-profit line in a graphical solution to maximization problem
Copyright © 2014 Pearson Education, Inc. 35) Explain how to use the iso-profit line in a graphical solution to maximization problem. B-17 Answer: The iso-profit line is moved up in a maximization problem until it no longer intersects with any […]
Management Mod C 1 The transportation model is a special class of linear programming models
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Module C Transportation Models Section 1 Transportation Modeling 1) The transportation model is an excellent tool for minimizing shipping costs among existing facilities, but it is not useful when firms […]
Management Mod C 2 Consider the transportation problem in the data set and optimal solution below
Copyright © 2014 Pearson Education, Inc. 22) Consider the transportation problem in the data set and optimal solution below. Verify by hand or by calculator (show your work) the value of the total shipping cost. Answer: The value of the […]
Management Mod D 1 Study of waiting-line models helps operations managers better understand
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Module D Waiting-Line Models Section 1 Queuing Theory 1) Waiting-line models are useful to operations in such diverse settings as service systems, maintenance activities, and shop-floor control. Answer: TRUE Diff: […]
Management Mod D 2 Students arrive randomly at the help desk of the computer lab
Copyright © 2014 Pearson Education, Inc. 14) Which of the following is NOT an assumption of the M/M/1 model? A) The first customers to arrive are the first customers served. B) Each arrival comes independently of the arrival immediately before […]
Management Mod E 1 Experience curves are the opposite of learning curves as one rises, the other falls
Copyright © 2014 Pearson Education, Inc. perations Management, 11e (Heizer/Render) Module E Learning Curves Section 1 What Is a Learning Curve? 1) Experience curves may be valid for industrial applications, but have no role in services such as health care […]
Management Mod E 2 A defense contractor has just started producing engines for a new government contract
Copyright © 2014 Pearson Education, Inc. 22) The first unit of a product took 50 hours to build, and the learning curve is 85%. How long will it take to make the 10th unit? (Use at least three decimals in […]
Management Mod F 1 The seven steps in the use of simulation include all EXCEPT which of the following
Copyright © 2014 Pearson Education, Inc. Operations Management, 11e (Heizer/Render) Module F Simulation Section 1 What is Simulation? 1) Simulation has numerous applications in modern business, but few of these are in the area of operations. Answer: FALSE Diff: 1 […]
Management Mod F 2 Provide a small example illustrating how random numbers are used in Monte Carlo simulation
Copyright © 2014 Pearson Education, Inc. 16) What is the cumulative probability of selling 4 tires? Tires Sold Probability 0 .1 1 .2 2 .15 3 .3 4 .25 A) 1 B) .5 C) 10 D) .2 E) .25 Answer: […]