OPERATIONS MANAGEMENT (LL)-W/ACCESS
17th Edition
ISBN: 9781260037821
Author: CACHON
Publisher: MCG
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Chapter 3, Problem 4CQ
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To explain: The relationship between the processing time at a resource and its capacity.
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What is the relationship between the processing time at a resource and its capacity?a. They are the same.b. They are reciprocals of each other.c. They are multiples of each other.d. They are not related.
Shortest processing time minimizes the flow time of jobs at a resource because itreduces the processing times of the jobs. True or false?a. Trueb. False
Background Info A "Visit" is an instance of a person coming to a website A "visitor" is a person who conducts a visit on a website An "Order" is an instance of someone making a purchase "Conversion rate" is defined as the number or orders per visit The home page of a web site can be "split" into two versions ("A" and "B") that have different characteristics (e.g. layout, products, etc.) These different versions can then be shown to different visitors on a random basis For example, 75% of visitors would see version A and 25% of visitors would see version B Scenario You are determining which home page version is the best choice for the site to maximize the number of orders. A two week split test was set up where visitors were randomly (but not necessarily equally) assigned to one home page or another, and the number of visitors to each homepage and the related orders were accurately recorded by day. The additional traffic on the 7th and 14th is due to some banner ads running on MSN on…
Chapter 3 Solutions
OPERATIONS MANAGEMENT (LL)-W/ACCESS
Ch. 3 - Prob. 1CQCh. 3 - Prob. 2CQCh. 3 - Prob. 3CQCh. 3 - Prob. 4CQCh. 3 - You observe a long line at the airport security....Ch. 3 - Prob. 6CQCh. 3 - What is the maximum utilization a resource can...Ch. 3 - Is the capacity of the bottleneck larger than,...Ch. 3 - Prob. 9CQCh. 3 - You observe a vehicle registration department at...
Ch. 3 - Prob. 1PACh. 3 - A community health systems nurse team consists of...Ch. 3 - Consider a process consisting of three resources....Ch. 3 - Prob. 4PACh. 3 - Prob. 5PACh. 3 - Prob. 6PACh. 3 - Prob. 7PACh. 3 - Consider a four-step serial process with...Ch. 3 - Consider a four-step serial process with the...Ch. 3 - Prob. 10PACh. 3 - Prob. 11PACh. 3 - The Tesla Model S, one of the most sought-after...Ch. 3 - The Tesla Model S, one of the most sought-after...Ch. 3 - The Tesla Model S, one of the most sought-after...Ch. 3 - The Tesla Model S, one of the most sought-after...
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- Clinical supervision is a management practice that benefits from parallel processing. This helps students learn and succeed. If two tasks cannot be completed simultaneously, then the time spent waiting for the delayed task to begin might be used toward finishing the first task. The individual's productivity is increased and time is better controlled thanks to parallel processing.arrow_forwardWhich of the following is true of just-in-time processing? a.In just-in-time processing, supervisors enter materials into manufacturing so as to keep all the manufacturing departments (processes) operating. b.It assigns service activities to centralized service departments. c.It is a management approach that focuses on reducing time and cost and eliminating poor quality. d.In just-in-time processing, a worker typically performs only one function.arrow_forwardWhich of the following is a benefit of overbooking a resource?a. It helps to reduce the average number of jobs waiting to be processed on the resource.b. It helps to reduce the average flow time of jobs through a resource.c. It helps to increase the utilization of the resource.d. It helps to reduce the processing times of jobs at a resource.arrow_forward
- Depending on how jobs arrive to a resource, it is possible that the average flow time of the jobswith first-come-first-served is lower than that with shortest processing time. True or false?a. Trueb. Falsearrow_forwardWhich of the following captures the idea of Andon?(a) Examples of this include workers having to make unnecessary movements (i.e.,excessive reaching or walking to get tools or parts), working on parts that are defective,and idle time.(b) A system that enables a line worker to signal that he or she needs assistance from hisor her supervisor, for example, in the case of a defect. It is used to implement the jidokaprinciple.(c) A brainstorming technique that helps structure the process of identifying underlyingcauses of a (usually undesirable) outcome.(d) As an example of this philosophy, workers in the factory have notebooks at theirworkstations that they use to jot down improvement ideas.(e) A method that controls the amount of work-in-process inventory.(f) If an automotive assembly plant used this technique, the adjacent cars on an assemblyline would be mixed models (e.g., Model A with sunroof, Model A without sunroof,Model B, Model B with sunroof) in proportions equal to customer…arrow_forwardLine processes generally have lower volumes as compared to job processes. True Falsearrow_forward
- Which of the following statement(s) is true about business processes? A. Business processes can cross many different cross functional areas and require coordination across departments. B. Businesses can be considered a collection business processes. C. Examples of business processes include "assembling a product," "identifying customers," "paying creditors," and "hiring employees." D. All of the abovearrow_forwardWhich of the following is likely to increase the utilization of a resource with a setup time?a. Increase the flow rate c. Decrease the batch sizeb. Decrease the processing time d. Increase the setup timearrow_forwardPlease do not give solution in image format thanku Customers send e-mails to a help desk of an online retailer every two minutes, on average, and the standard deviation of the interarrival time is four minutes. The online retailer has three employees answering e-mails. It takes on average five minutes to write a response e-mail. The standard deviation of the processing times is one minute. (a) How many e-mails would there be, on average, that have been submitted to the online retailer but not yet answered? (b) Estimate, on average, how long the customers will wait before being served. (c) Determine the minimum number of employees required to have at most 10 minutes of waiting. Do not use excel. Explain every step in your answers in detail.arrow_forward
- You observe a bank and notice that a customer leaves the bank about every five minutes.These five minutes between customers are:a. the capacity of the process.b. the processing time of the last resource.c. the cycle time.d. the lead timearrow_forwardAn engineering i rm retains a technical specialist to assist four design engineers workingon a project. The help that the specialist gives engineers ranges widely in time consumption.The specialist has some answers available in memory, others require computation,and still others require signii cant search time. On the average, each request for assistancetakes the specialist one hour.The engineers require help from the specialist on the average of once each day. Becauseeach assistance takes about an hour, each engineer can work for seven hours, on the average,without assistance. One further point: Engineers needing help do not interrupt if thespecialist is already involved with another problem.Treat this as a i nite queuing problem and answer the following questions:a. How many engineers, on average, are waiting for the technical specialist for help?b. What is the average time that an engineer has to wait for the specialist?c. What is the probability that an engineer will have to wait…arrow_forwardAn intermittent processing can take the form of batch processing or a a job shop. O a. TRUE Ob FALSEarrow_forward
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