Oakwood Outpatient Clinic rents a magnetic resonance imaging (MRI) machine for 30 hours a month for use on its patients. Last month the machine was used 28 hours out of the month. What was machine utilization?
> A quality control manager at a manufacturing facility has taken four samples with four observations each of the diameter of a part. a) Compute the mean of each sample. b) Compute an estimate of the mean and standard deviation of the sampling distribution
> Breeze Toothpaste Company makes tubes of toothpaste. The product is produced and then pumped into tubes and capped. The production manager is concerned whether the filling process for the tubes of toothpaste is in statistical control. The process should
> Bio Tech Research Center is working to develop a new vaccine for the West Nile Virus. The project is so important that the firm has created three teams of experts to work on the project from different perspectives. Team 1 has a 90 percent chance of succe
> A university Web server has five main components, each with the same reliability. All five components must work for the server to function as intended. If the university wants to have a 95 percent reliability, what must be the reliability of each of the
> An LCD projector in an office has a main light bulb with a reliability of 0.90 and a backup bulb, the reliability of which is 0.80. The system looks as follows: What is the reliability of the system? 0.80 0.90
> Yasuko’s Art Emporium (YAE) ships art from its studio located in the Far East to its distribution center located on the West Coast of the United States. YAE can send the art either via transoceanic ship freight service (15 days transit) or by air freight
> A bank loan processing system has three components with individual reliabilities as shown: What is the reliability of the bank loan processing system? R, = 0.90 R2 = 0.89 %3D R3 = 0.95 %3D
> A company that makes kitchen chairs wants to compare productivity at two of its facilities. At facility #1, six workers produced 240 chairs. At facility #2, four workers produced 210 chairs during the same time period. Which facility was more productive?
> An engine system consists of three main components in a series, all having the same reliability. Determine the level of reliability required for each of the components if the engine is to have a reliability of 0.998.
> An office copier has four main components in a series with the following reliabilities: 0.89, 0.95, 0.90, and 0.90. Determine the reliability of the copier.
> A jet engine has 10 components in series. The average reliability of each component is 0.998. What is the reliability of the engine?
> A CD player has five components that all must function for the player to work. The average reliability of each component is 0.90. What is the reliability of the CD player?
> What would be the reliability of the bank system above if each of the three components had a backup with a reliability of 0.80? How would the total reliability be different?
> The following system of components has been proposed for a new product. Determine the reliability of the system. R = 0.85 R = 0.90 R = 0.90 %3D R = 0.85 R = 0.90 R = 0.95
> Gabriela Manufacturing was able to find a new supplier that would provide the item for $1.80 per unit with an annual fixed cost of $200,000. Should Gabriela Manufacturing insource or outsource the item?
> Henri of Henri’s French Cuisine (HFC), a chain of 12 restaurants, is trying to decide if it makes sense to outsource the purchasing function. Currently, Henri employs two buyers at an annual fixed cost of $85,000. Henri estimates that the variable cost o
> Elyssa’s Elegant Eveningwear (EEE) needs to ship finished goods from its manufacturing facility to its distribution warehouse. Annual demand for EEE is 2400 gowns. EEE can ship the gowns via regular parcel service (3 days transit time), premium parcel se
> Fast Finish, Inc. (FFI) has made a technological breakthrough in snow board finish application. FFI will apply the finish for $0.23 per unit in variable costs plus a fixed annual cost of $230,000. Use the cost and demand information given in Problem 3 fo
> Downhill Boards (DB), a producer of snow boards, is evaluating a new process for applying the finish to its snow boards. Durable Finish Company (DFC) has offered to apply the finish for $170,000 in fixed costs and a unit variable cost of $0.65. Downhill
> One type of bread-making machine can make six loaves of bread in five hours. A new model of the machine can make four loaves in two hours. Which model is more productive?
> Gabriela Manufacturing must decide whether to insource or outsource a new toxic-free miracle carpet cleaner that works with its Miracle Carpet Cleaning Machine. If it decides to insource the product, the process would incur $300,000 of annual fixed costs
> Cal’s Carpentry is considering outsourcing its accounts receivable function. Currently, Cal employs two full-time clerks and one part-time clerk to manage accounts receivable. Each fulltime clerk has an annual salary of $36,000 plus fringe benefits costi
> If the company wants to complete the project in 40 weeks, which activities should be crashed? Calculate the additional cost incurred to complete the project in 40 weeks. Activity Immediate Predecessor(s) Normal Time (weeks) Normal Cost ($) Crash Tim
> Draw the network diagram. Determine the normal time it will take to complete this project. Determine the critical path for the project. Calculate the cost of completing the project in normal time. Activity Immediate Predecessor(s) Normal Time (weeks)
> The accounting department at Northeast University is offering a combined five-year B.S./M.S. in accounting. The senior accounting professor has identified the project activities and any precedence relationships, as shown in Table 16-15. Three time estima
> Jacob’s Baby Food Company must go through the following steps to make mashed carrots: (1) Unload carrots from truck (2) Inspect carrots (3) Weigh carrots (4) Move to storage (5) Wait until needed (6) Move to washer (7) Boil in water (8) Mash carrots (9)
> Using the information given and expected project completion time from Problem 13(c), a) Calculate the probability of completing the project in 36 weeks. b) Calculate the probability of completing the project in 40 weeks. Figure 16-21. Network diagram A
> My Kitchen Delights (MKD), a regional producer of gourmet jams and jellies, uses approximately 24,000 glass jars each month during its production. Because of space limitations, MKD orders 5000 jars at a time. Monthly holding cost is $0.08 per jar, and th
> Using the information given and the project completion time calculated in Problem 9(a), calculate the minimum time for completing the project possible. Table 16-14 Activity Normal Time (weeks) Normal Cost ($) Crash Time (weeks) Crash Cost ($) Maximum w
> Using the information given and the project completion time calculated in Problem 9(a), reduce the completion time of the project by 5 weeks in the most economical way. Table 16-14 Activity Normal Time (weeks) Normal Cost ($) Crash Time (weeks) Crash C
> Using the information given and the project completion time calculated in Problem 9(a), reduce the completion time of the project by 3 weeks in the most economical way. Table 16-14 Activity Normal Time (weeks) Normal Cost ($) Crash Time (weeks) Crash Co
> Using the information given, a) Calculate the completion time of the project. b) Identify the activities on the critical path. Table 16-14 Activity Normal Time (weeks) Normal Cost ($) Crash Time (weeks) Crash Cost ($) Maximum weeks Reduced Crash Cost p
> Using your results from Problem 6, a) Calculate the probability that the project will be completed in 38 weeks. b) Calculate the probability that the project will be completed in 42 weeks. Activity Optimistic Time Estimate (weeks) Most Likely Time Est
> Using your results from Problems 4 and 5, a) Calculate the completion time for this project. b) Identify the activities included on the critical path of this project. Activity Optimistic Time Estimate (weeks) Most Likely Time Estimates (weeks) Pessim
> Using the information given, calculate the variance for each of the project activities. Activity Optimistic Time Estimate (weeks) Most Likely Time Estimates (weeks) Pessimistic Time Estimates (weeks) Immediate Predecessor(s) A 3 6 9 none B
> Using the information given, calculate the expected time for each of the project activities. Activity Optimistic Time Estimate (weeks) Most Likely Time Estimates (weeks) Pessimistic Time Estimates (weeks) Immediate Predecessor(s) A 3 6 9 none
> Jack’s Floating Banana Party Company is planning to add a new party vessel for the upcoming season. Jack has identified several activities that must be finished before the start of the season. Using the following information, Activity Activity Time (we
> Mop and Broom Manufacturing is evaluating whether to produce a new type of mop. The company is considering the operations requirements for the mop as well as the market potential. Estimates of fixed costs per year are $40,000, and the variable cost for e
> Michael’s Office Supply (MOS) sells office furniture, equipment, and supplies. This week the company has received 50 customer orders. Each order has an average of five line items. The average dollar amount of each order is $1200. MOS was able to ship 47
> Using the network diagram constructed in Problem 1, a) Calculate the completion time for the project. b) Determine which activities are included on the critical path.
> Construct a network diagram using AON notation. Activity Activity Time (weeks) Immediate Predecessor(s) A 3 none B 4 A C 2 B D 5 B E 4 C F 3 D G 2 E, F
> The dean of the business school wants to start offering this program starting 32 weeks from now. Using the information provided in Problem 15, a) Calculate the probability of the program starting on time. b) If the dean needs a 95 percent probability of
> Using the information given, a) Calculate the expected time for each of the project activities. b) Calculate the variance for each of the project activities. c) Evaluate the connected paths through the diagram to determine the expected project completion
> Using the information given, construct a network diagram using AON notation. Activity Optimistic Time Estimate (weeks) Most Likely Time Estimates (weeks) Pessimistic Time Estimates (weeks) Immediate Predecessor(s) A 3 6 9 none B 3 5 7
> Determine the absolute minimum time it will take to complete the project if the project is crashed as far as possible. Calculate the cost associated with this approach to the project. Activity Immediate Predecessor(s) Normal Time (weeks) Normal Cost
> Using the information in Problem 24, develop a sequence based on the longest processing time priority rule. Prioritize based on prep time. In the case of ties, select the house that has the longest paint time. a) Calculate the makespan. b) Calculate the
> Using the job information in Problem 24, develop a sequence based on the shortest processing time priority rule. Prioritize based on prep time. In the case of ties, select the house that has the shortest paint time. a) Calculate the makespan. b) Calculat
> Student Premier Painters (SPP) has six house painting jobs in a particular neighborhood. The houses vary in size, condition, and painting requirements, but each house must be prepped (cleaned, sanded, and primed) first, before it is painted. The relevant
> Raquel is concerned with efficiency. She believes it is probably more efficient to use SPT (shortest processing time) as her priority rule. (a) Develop a sequence using SPT based on processing time for preparing the area. (b) Calculate the makespan, the
> Bill Maze, recently hired by Custom Computers, Inc., has suggested using the economic order quantity for the heat sinks. Using the information in Problem 9, calculate the following: a) Economic order quantity b) Average inventory level c) The number of o
> Mop and Broom Manufacturing, from Problem 12, has decided to produce a new type of mop. The mop can be made with the current equipment in place. However, the company is considering the purchase of new equipment that would produce the mop more efficiently
> An assembly line must be designed to produce 50 packages per hour. The following data in Table 10-17 give the necessary information. Table 10-16: Task Information for Problem 13 Task Immediate Predecessor Task Time (sec) A None 25 B A 60
> Use trial and error to find a better layout for MMS Associates. Which salespeople will be your priority to keep together?
> Michael Marc, the President of MMS Associates, is considering an alternative plan for the sales staff situation described in Problem 9. His alternative plan is shown in Figure 10-18. What is the ld score for this plan? How does it compare to the original
> MMS Associates is a telecommunications service provider. The company is currently redesigning its main office to accommodate six newly hired salespeople. Some of the salespeople are expected to work in teams, so office assignments are very important. Tab
> David’s Sport Supplies is a store that sells sports equipment and gear for teenagers and young adults. David’s is in the process of assigning the location of storage areas in its warehouse (Figure 10-16) to minimize th
> Use trial and error to develop a better layout for Gator Office Supplies. Which departments do you think need to be in close proximity to one another?
> Gator Office Systems is comparing two layouts for the design of its office building. It has interviewed managers in order to develop the from–to matrix shown in Table 10-12. The two layouts considered are shown in Figure 10-14. Which la
> Use trial and error to find a better layout for Mason Machine Tools in Problem 3. Compute the ld score and compare it to Mason’s current and proposed layouts in Problem 3.
> Mason Machine Tools is reevaluating its facility layout. The current layout is shown in Figure 10-13 and the from–to matrix is in Table 10-11. Mason has to leave department C in its current location because relocation costs are too high
> Use trial and error to find a better layout for Fresh Foods Grocery in Problem 1. Compute the ld score and compare it to the ld scores computed for Fresh Foods’ current and proposed layouts. Which is best?
> See-Clear Optics is considering producing a new line of eyewear. After considering the costs of raw materials and the cost of some new equipment, the company estimates fixed costs to be $40,000 with a variable cost of $45 per unit produced. a) If the sel
> Fresh Foods Grocery is considering redoing its facility layout. The from–to matrix showing daily customer trips between departments is shown in Table 10-10, and their current layout is shown in Figure 10-12. Fresh Foods is considering e
> Use the data from Problem 19 to rebalance the line with a cycle time of 90 seconds. How does the number of workstations change? What happens to the output and the line’s efficiency? Workstation Eligible Task Task Selected Task Time Idle Time 1
> The Quick Copy center for document copying is deciding where to locate a new facility. The annual fixed and variable costs for each site it is considering have been estimated as follows: Location Fixed Costs Variable Costs A $85,000 $2/unit B
> Given here are the coordinates for each of the four towns to be serviced by the warehouse in Problem 15. Use the information from Problem 15 and the center of gravity method to determine coordinates for the warehouse. Town…………Coordinates (X, Y) A…………………
> Joe’s Sports Supplies Corporation is considering where to locate its warehouse in order to service its four stores in four towns: A, B, C, and D. Two possible sites for the warehouse are being considered, one in Jasper and the other in Longboat. The foll
> Jody of Jody’s Custom Tailoring is considering expanding her growing business. The question is whether to expand with a bigger facility than she needs or with a small facility, knowing that she will have to reconsider expanding in three years. Jody has e
> Spectrum Hair Salon is considering expanding its business, as it is experiencing a large growth. The question is whether it should expand with a bigger facility than needed, hoping that demand will catch up, or with a small facility, knowing that it will
> Demand has grown at Dairy May Farms, and it is considering expanding. One option is to expand by purchasing a very large farm that will be able to meet expected future demand. Another option is to expand the current facility by a small amount now and tak
> The owners of Sweet-Tooth Bakery have determined that they need to expand their facility in order to meet their increased demand for baked goods. The decision is whether to expand now with a large facility or expand small with the possibility of having t
> The Steiner-Wallace Corporation has determined that it needs to expand in order to accommodate growing demand for its laptop computers. The decision has come down to either expanding now with a large facility, incurring additional costs and taking the ri
> Zodiac Furniture is considering the production of a new line of metal office chairs. The chairs can be produced in-house using either process A or process B. The chairs can also be purchased from an outside supplier. Specify the levels of demand for each
> The design and effective capacities for a local emergency facility are 300 and 260 patients per day, respectively. Currently, the emergency room processes 250 patients per day. What can you conclude from these figures?
> The design and effective capacities for a local paper manufacturer are 1000 and 600 pounds of paper per day, respectively. At present, the manufacturer is producing 500 pounds per day. Compute capacity utilization for both measures. What can you conclude
> The town barber shop can accommodate 35 customers per day. The manager has determined that if two additional barbers are hired, the shop can accommodate 80 customers per day. What are the design and effective capacities for the barber shop?
> Beth’s Bakery can comfortably produce 60 brownies in one day. If Beth takes some unusual measures, such as hiring her two aunts to help in the kitchen and work overtime, she can produce up to 100 brownies in one day. a) What are the design and effective
> A manufacturer of printed circuit boards has a design capacity of 1000 boards per day. The effective capacity, however, is 700 boards per day. Recently, the production facility has been producing 950 boards per day. Compute the design and effective capac
> Joe’s Tasty Burger has determined that its production facility has a design capacity of 400 hamburgers per day. The effective capacity, however, is 250 hamburgers per day. Lately Joe has noticed that output has been 300 hamburgers per day. Compute both d
> The Bakers Dozen Restaurant is considering opening a new location. It has considered many factors and identified the ones that are most important. Two locations are being evaluated based on these factors, using factor rating. Each location has been evalu
> Sue and Joe are a young married couple who are considering purchasing a new home. Their search has been reduced to two homes that they both like, at different locations. They have decided to use factor rating to help them make their decision. They have l
> The owners of Speedy Logistics, a company that provides overnight delivery of documents, are considering where to locate their new facility in the Midwest. They have narrowed their search down to two locations and have decided to use factor rating to mak
> Shoeless Joe is a specialty retailer that is deciding where to locate a new facility. The annual fixed and variable costs for each possible site have been estimated as follows: Location Fixed Costs Variable Costs A $70,000 $1/unit B $34,000
> Easy-Tech Software Corporation is evaluating the production of a new software product to compete with the popular word processing software currently available. Annual fixed costs of producing the item are estimated at $150,000, and the variable cost is $
> Two workers have the job of placing plastic labels on packages before the packages are shipped out. The first worker can place 1000 labels in 30 minutes. The second worker can place 850 labels in 20 minutes. Which worker is more productive?
> What is benchmarking, and what are the two main types of benchmarks in financial statement analysis?
> Describe a common-size statement and how it might be helpful in evaluating a company.
> What is trend analysis, and how does it differ from horizontal analysis?
> What is horizontal analysis and how is a percentage change computed?
> What are the three main ways to analyze financial statements?
> In its annual report, XYZ Athletic Supply, Inc. includes the following five-year financial summary: Requirements: Analyze the company’s financial summary for the fiscal years 2014–2018 to decide whether to invest in
> Assume that you are purchasing an investment and have decided to invest in a company in the digital phone business. You have narrowed the choice to All Digital Corp. and Green Zone, Inc. and have assembled the following data. Selected income statement da
> Comparative financial statement data of Garfield, Inc. follow: 1. Market price of Garfield’s common stock: $69.36 at December 31, 2018, and $38.04 at December 31, 2017. 2. Common shares outstanding: 14,000 on December 31, 2018 and 12,
> Financial statement data of Modern Traveler’s Magazine include the following items: Cash …………………
> Consider the data for Randall Department Stores presented in Problem P15-31B. Problem P15-31B: The Randall Department Stores, Inc. chief executive officer (CEO) has asked you to compare the company’s profit performance and financial p
> If current assets other than cash increase, what is the effect on cash? What about a decrease in current assets other than cash?
> The Randall Department Stores, Inc. chief executive officer (CEO) has asked you to compare the company’s profit performance and financial position with the averages for the industry. The CEO has given you the company’s
> Net sales revenue, net income, and common stockholders’ equity for Azbel Mission Corporation, a manufacturer of contact lenses, follow for a four-year period. Requirements: 1. Compute trend analyses for each item for 2017â€
> In its annual report, ABC Athletic Supply, Inc. includes the following five-year financial summary: Requirements: Analyze the company’s financial summary for the fiscal years 2014–2018 to decide whether to invest in
> Assume that you are purchasing an investment and have decided to invest in a company in the digital phone business. You have narrowed the choice to Digitalized Corp. and Every Zone, Inc. and have assembled the following data. Selected income statement da
