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hotel operations management

Questions and Answers of Hotel Operations Management

A certain process has an upper specification limit of 220 and a lower specification limit of
The process standard deviation is 6, and the mean is 170.a. Calculate Cp and Cpk for this process.b. What could be done to improve the process capability Cpk to 1.0?
A certain process is under statistical control and has a mean value of μ = 130 and a standard deviation of σ =
The specifications for this process are USL = 150, LSL =100.a. Calculate Cp and Cpk.b. Which of these indices is a better measure of process capability? Why?c. Assuming a normal distribution, what
A customer has specified that they require a process capability of Cp = 1.5 for a certain product. Assume that USL = 1100, LSL = 700, and the process is centered within the specification range.a.
Ace Hardware sells spare parts for lawn mowers. The following data were collected for one week in May when replacement lawn-mower blades were in high demand:a. Simulate a forecast for the week,
Management believes there is a seasonal pattern in the above data for the Donut-Hole Shop (see problem 2), with the first two days of a week representing one level; the third and fourth days
Management of the ABC Floral Shop believes that its sales are seasonal in nature with a monthly seasonal pattern and no trend. The demand data and seasonal ratios for the past three years are given
Are they within tolerances?d. Using the classical decomposition method described in the chapter supplement, calculate the seasonal ratios from the data and determine the trend and average levels. Use
Why are facilities decisions often made by top management? What is the role in these decisions of operations, marketing, finance, accounting, information systems, engineering, and human resources?
Firms often have multiple objectives such as good labor relations, low operating costs, high inventory turnover, and good customer service. What are the pros and cons of treating these objectives
Suppose we are considering the question of how much capacity to build in the face of uncertain demand. Assume that the cost is $20 per unit of lost sales due to insufficient capacity. Also assume
The Ace Steel Mill estimates the demand for steel in millions of tons per year as follows:a. If capacity is set at 18 million tons, how much of a capacity cushion is there?b. What is the probability
A barbershop has the following demand for haircuts on Saturday, which is its busiest day of the week.a. What is the average demand for haircuts on Saturday?b. If the capacity is 35 haircuts, what is
An urgent care clinic is staffed by two physicians who can each see four patients per hour.The clinic is open 6 p.m. until midnight, seven days per week. The clinic tracked the average number of
The Chewy Candy Company would like to determine an aggregate production plan for the next six months. The company makes many different types of candy but feels it can plan its total production in
A company has seasonal demand, with the forecast for the next 12 months as given below.The current labor force can produce 500 units per month. Each employee can produce 20 units per month and is
Approximately 40 percent of a medical clinic’s weekly incoming calls for appointments occur on Monday. Due to this large workload, 20 percent of the callers receive a busy signal and have to call
Continue the present system, which results in some customer inconvenience, loss of business, and perceived poor service. About 1000 patients attempt to call the clinic on Mondays. The clinic has
Expand the phone lines and add more people to handle the peak load. The estimated cost for adding two more lines and two clerks is $60,000 per year.
Install new software to speed up making appointments. In this case, the peak load could be handled with the current personnel. The estimated cost to lease and maintain the software is $50,000 per
Expand the phone lines and ask people to call back later in the week for an appointment. Add two lines and two phone-answering clerks part time at$30,000 per year.a. Analyze these options from the
The Restwell Motel in Orlando, Florida, is preparing an aggregate plan for the upcoming 12 days. The motel has a maximum of 200 rooms, but demand varies during the week.Demand is listed in terms of
The Bango Toy Company produces several types of toys. The forecast for the next six months in thousands of dollars is given below:A regular employee can produce $10,000 worth of toys per month, and
Beth’s Broasted Chicken shop offers a variety of fast-food items. Beth uses regular and part-time workers to meet demand. The demand for the next 12 months has been forecast in thousands of
Valley View Hospital faces somewhat seasonal demand. As a result, the forecast of patient days of demand is as follows (a patient day is one patient staying for one day in the hospital):The hospital
The Security Life Insurance Company processes all new life insurance policies through three departments: incoming mail (I), underwriting (U), and policy control (P). The incoming mail department
At the University Hospital, five blood samples must be scheduled through a blood-testing laboratory. Each sample goes through up to four different testing stations. The times for each test and the
A secretary is considering three dispatching rules for typing term papers. The following information is given on jobs that are waiting to be typed:Use the following dispatching rules to determine the
Consider the following information from a supply chain:a. Compute the number of days in inventory for each of the entities.b. What is the throughput time for the entire supply chain?c. Calculate the
When would a firm want to use a preferred supplier?
What are the advantages and disadvantages of a single source?
Look up advantages and disadvantages of outsourcing on the Internet. What do you find?
Give some examples of core competencies that should not be outsourced.
What are the advantages and disadvantages of a decentralized blockchain approach to global shipping compared to a database that is centrally managed without blockchain?
What has been the effect of deregulation of transportation prices in the U.S.?
To what extent can blockchain technology influence global supply chains?
Discuss how e-commerce has affected retail supply chains.
How would you decide whether a supply chain needs improvement in supply chain structure, supply chain systems, or both?
Using the SCOR model give an example of a supply chain that you are familiar with from plan, source, make, deliver, and return.
A materials manager said that her firm needs only a replenishment inventory management system. What would you tell her about the additional capabilities of an MRP system?
A company president said his firm is too small to afford an MRP system. Discuss.
Describe the advantages of cycle counting over an annual physical inventory count.
Can ABC inventory classification be applied to manufacturing component inventories? Discuss.
For problem 2 in the chapter, suppose the Grinell Machine Shop produces its tables at a rate of two per day (250 working days per year).a. What is the optimal lot size?b. Draw a graph of on-hand
What is the definition of the early and late start times of an activity and the early and late finish times of an activity?
What is the management significance of the critical path through a network?
Contrast and compare CPM and constant-time network as project-scheduling techniques.
How does project scheduling differ from the scheduling of ongoing operations?
Use the following dispatching rules for the first station (A) to determine which job should be processed first through station A. Hint: Decide between jobs 1 and 4.a. SPTb. CR
Suppose you are in charge of dispatching for the University Hospital laboratory described in problem
In problem 2, assume there are two machines of type A and two of type B.a. Prepare a finite capacity schedule.b. How does your FCS compare to the performance of the Gantt chart in problem 2?
In problem 3, assume there are two machines of type A, two of type B, and two of type C.a. Prepare a finite capacity schedule.b. Compare the FCS to the Gantt chart in problem 3.
What is the definition of a bottleneck according to TOC?
What is the purpose of a planning and control system related to scheduling?
Why are m × n machine-scheduling algorithms not widely used in practice?
Describe the differences between Gantt charting, FCS, and the theory of constraints.
How is the scheduling of patients in a doctor’s clinic similar to and different from the scheduling of jobs in a factory?
Specify the kinds of objectives that might be appropriate for each of the situations listed in question 1.
What types of scheduling decisions are management likely to encounter in the followingoperations? Describe the scheduling decisions in terms of the types of resources to be scheduled and the
7 How are other common items, such as french fries and drinks, handled? Visit at least two different fast-food restaurants that make hamburgers. For example, in the United States McDonald's, Wendy's,
6 Is a microwave oven used in the process? Visit at least two different fast-food restaurants that make hamburgers. For example, in the United States McDonald's, Wendy's, and Burger King are good
5 How are the hamburgers assembled? Visit at least two different fast-food restaurants that make hamburgers. For example, in the United States McDonald's, Wendy's, and Burger King are good choices.
4 How are the hamburgers cooked? Visit at least two different fast-food restaurants that make hamburgers. For example, in the United States McDonald's, Wendy's, and Burger King are good choices. For
3 How are special orders handled? Visit at least two different fast-food restaurants that make hamburgers. For example, in the United States McDonald's, Wendy's, and Burger King are good choices. For
2 Are the hamburgers prepared to order, or are they prepared ahead of time and delivered from a storage bin? Visit at least two different fast-food restaurants that make hamburgers. For example, in
1 How are in-store orders taken?Visit at least two different fast-food restaurants that make hamburgers. For example, in the United States McDonald's, Wendy's, and Burger King are good choices. For
7 Suppose Rolling Stone presented the following headlines relating to OM. To what particular his- torical events or individuals would they refer? OVER 5 BAZILLION SOLD TO DATE BEANTOWN B-SCHOOL
6 Sketch the production-delivery system used by CMAX.com-Solemates, Inc., in providing custom tennis shoes. Could this approach be applied to other consumer goods? Give examples.
5 Using Exhibit 1.2 as a model, describe the input-transformation-output relationships in the following systems:a. An airline.b. A. state penitentiary.c. A branch office of a bank.d. The home office
4 What factors account for the resurgence of interest in OM today?
3 Look at the want ads in The Wall Street Journal and evaluate the opportunities for an OM major with several years of experience.
2 How would you distinguish OM from management and organizational behavior as taught at your university?
1 What is the difference between OM and OR/MS? Between OM and IE?
3 A feature that many companies are considering is taking customer orders via Web sites. Put yourself in the place of the person at Ford Motor Company considering this approach to tak- ing customer
2 SAP R/3 allows the human resources, financial accounting, and manufacturing and logistics modules to be implemented separately. How would this change impact the implementation process?
1 What key technological features of SAP R/3 set it apart from conventional business accounting/ planning/control software?
3 What would you do to ensure that the operators were kept busy? Value stream mapping involves first developing a baseline map of the current situation of a company's external and/or internal
2 How do you think the machine operators would react to the change? Value stream mapping involves first developing a baseline map of the current situation of a company's external and/or internal
1 Eliminating the queue of work dramatically quickens the time it takes a part to flow through the system. What are the disadvantages of removing those queues? Value stream mapping involves first
4 Outline a plan for introducing lean at Quality Parts Company.Quality Parts Company supplies gizmos for a com- puter manufacturer located a few miles away. The company pro- duces two different
3 Sketch the operation of a pull system for quality for Quality Parts Company's current system. Quality Parts Company supplies gizmos for a com- puter manufacturer located a few miles away. The
2 Make recommendations for lean improvements in such areas as scheduling, layout, kanban, task groupings, and inventory. Use quantitative data as much as possible; state necessary assumptions.
1 Which of the changes being considered by the manager of Quality Parts Company are counter to the lean philosophy? Quality Parts Company supplies gizmos for a com- puter manufacturer located a few
3 A major reason for the differences in opinions may be the difference in what Toyota considers "competitive" components. These are the components that would mostly be bought using the Internet
2 Rather than having vendors compete against one another, Toyota is interested in treating suppliers as partners. Is Toyota just being old-fashioned in its views? It is interesting to see how the
1 GM and Ford have quickly pushed the development of large Internet sites to create an environment where suppli- ers must compete for business. Ford and GM argue that these Internet sites should
6 Refer to Technical Note 6, "Facility Layout," page 254, Problem I regarding the Cyprus Citrus Cooperative. Use the layout provided on that page to (a) value stream map the business and its
5 Arvin Meritor is so pleased with the outcome from the consultants' previous suggestions that the consultants are invited back for more consulting work. The consultants now suggest a more complete
4 Refer to Example 12.1 as the basis for this problem. Arvin Meritor hires a team of consultants. The consultants suggest a partial robotic automation as well as an increase in safety stock to 0.125.
3 A bottling plant fills 2,400 bottles every two hours. The lead time is 40 minutes and a container accommodates 120 bottles. The safety stock is 10 percent of expected demand. How many kanban cards
2 Transmissions are delivered to the fabrication line four at a time. It takes one hour for transmis- sions to be delivered. Approximately four vehicles are produced each hour, and management has
1 A supplier of instrument gauge clusters uses a kanban system to control material flow. The gauge cluster housings are transported five at a time. A fabrication center produces approxi- mately 10
15 Why would a JIT advocate have a problem with the system proposed for the BMW AG's U.S. factory (discussed in the box "BMW Moves beyond Just-in-Time Production")?
14 Explain the relationship between quality and productivity under the lean philosophy.
13 Why is lean hard to implement in practice?
12 In which ways, if any, are the following systems analogous to kanban: returning empty bottles to the supermarket and picking up filled ones; running a hot dog stand at lunchtime; with- drawing
11 Explain how cards are used in a kanban system.
10 What are the roles of suppliers and customers in a lean system?
9 What are the implications for cost accounting of lean production?

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