Operations Management
13th Edition
ISBN: 9781259667473
Author: William J Stevenson
Publisher: McGraw-Hill Education
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Chapter 7.S, Problem 11P
Summary Introduction
To develop: Time estimates for 2, 3, 4 and 5 units.
Introduction: Learning curve is referred as the cost curve, experience curve, efficiency curve or productivity curve. The leaving curve gives information about the cost, efficiency, productivity and performance of an organization.
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The first unit of a job took 40 hours to complete. The work has a learning percentage of 88. The manager wants time estimates for units 2, 3, 4, and 5. Develop those time estimates.
A job is known to have a learning percentage equal to 82. If the first unit had a completion time of20 hours, estimate the times that will be needed to complete the third and fourth units.
The product S takes 67 hours for production of 1 unit, where learning curve rate is 67% and what will be the total time taken by 4th unit of product S using incremental unit time method ?
Chapter 7 Solutions
Operations Management
Ch. 7.S - Prob. 1DRQCh. 7.S - Prob. 2DRQCh. 7.S - Prob. 3DRQCh. 7.S - Prob. 4DRQCh. 7.S - Prob. 5DRQCh. 7.S - Prob. 6DRQCh. 7.S - Prob. 7DRQCh. 7.S - Prob. 8DRQCh. 7.S - Prob. 9DRQCh. 7.S - Prob. 10DRQ
Ch. 7.S - Prob. 1PCh. 7.S - Prob. 2PCh. 7.S - Prob. 3PCh. 7.S - Prob. 4PCh. 7.S - Prob. 5PCh. 7.S - Prob. 6PCh. 7.S - Prob. 7PCh. 7.S - Prob. 8PCh. 7.S - Prob. 9PCh. 7.S - Prob. 10PCh. 7.S - Prob. 11PCh. 7.S - Prob. 12PCh. 7.S - Prob. 13PCh. 7.S - Prob. 14PCh. 7.S - Prob. 15PCh. 7.S - Prob. 16PCh. 7.S - Prob. 17PCh. 7.S - Prob. 18PCh. 7.S - Prob. 19PCh. 7.S - Prob. 1CQCh. 7.S - Prob. 2CQCh. 7.S - Prob. 3CQCh. 7 - Prob. 1DRQCh. 7 - What are some of the main advantage and...Ch. 7 - Prob. 3DRQCh. 7 - Prob. 4DRQCh. 7 - Prob. 5DRQCh. 7 - Prob. 6DRQCh. 7 - Prob. 7DRQCh. 7 - What are motion study principles? How are they...Ch. 7 - Prob. 9DRQCh. 7 - Prob. 10DRQCh. 7 - Prob. 11DRQCh. 7 - Prob. 12DRQCh. 7 - Prob. 13DRQCh. 7 - Prob. 14DRQCh. 7 - Prob. 15DRQCh. 7 - Prob. 16DRQCh. 7 - Prob. 17DRQCh. 7 - Prob. 18DRQCh. 7 - Prob. 19DRQCh. 7 - Prob. 1TSCh. 7 - Prob. 2TSCh. 7 - Prob. 3TSCh. 7 - Prob. 1CTECh. 7 - Prob. 2CTECh. 7 - Prob. 3CTECh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Given these observed times (in minutes) for four...Ch. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - An analyst made the following observations about...Ch. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19P
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- Kara is supposed to have a learning percentage of 82. Times for the first four units were 30.5, 28.4,27.2, and 27.0 minutes. Does a learning percentage of 82 seem reasonable? Justify your answerusing appropriate calculations.arrow_forwardazmine Peters, the operations manager at Frontiers Inc., wants to estimate the learning rate for a new task her company will undertake. Jazmine has obtained completion time estimates for the first eight repetitions of this type of task as shown below. UNIT COMPLETION TIME (in hours) 1 33 2 30.361 3 28.915 4 27.931 5 27.191 6 26.602 7 26.113 8 25.7arrow_forwardA company uses learning curves for initial labor estimates with replicated deliverables. For this particular type of project, they determine that a 90% learning curve applies (improvement rate of 10%). The initial (first) unit takes 624 thousand hours. Determine the time (estimate) required for unit 4 and then compute the resulting labor cost for that unit based on a labor rate of $30 per hour. Round your final cost answer to the nearest dollar (if applicable) and omit the $ symbol in your answer. Carry all intermediate calculations to at least 5 decimal places if performing calculations by hand and use the table provided in the file. (Caution: Watch your dimensions. Enter your answer in dollars, NOT thousands of dollars) Click to operarrow_forward
- Temple Trucking Co. just hired Ed Rosenthal to verify daily invoices and accounts payable. He took 7 hours and 42 minutes to complete his task on the first day. Prior employees in this job have tended to follow a 85% learning curve. The amount of time that Ed is going to take for the task at the end of: a) 2nd Day minutes (round your response to the nearest whole number).arrow_forwardMake time estimates based on learning curvesarrow_forwardIf the first time you perform a job takes 60 minutes, how long will the 8th job take if you are on an 80% learning curve? 30.82 mins 30.62 mins 30.92 mins 30.72 minsarrow_forward
- Sara Bredbenner and Blake DeYoung are teammates at a discount store; their new job is assembling swing sets for customers. Assembly of a swing set has a learning rate of 90%. They forgot to time their effort on the first swing set, but spent 4 hours on the second set. They have 6 more sets to do. Determine approximately how much time will be (was) required for: a) the 1st unit.arrow_forwardA manager wants to estimate the remaining time that will be needed to complete a five-unit job. The initial unit of the job required 18 hours, and the work has a learning percentage of 83. Estimate the total time remaining to complete the job. (Round your intermediate calculations to 4 decimal places. Round your "Estimated time" and final answer to 2 decimal places.) Total time remaining hoursarrow_forwardA contractor is preparing a bid to install swimming pools at a new housing addition. The estimated time to build the first pool is 21 hours. The contractor estimates a 90 percent learning rate. Part 2 a. How long do you estimate the time required to install the second pool? enter your response here hours. (Enter your response rounded to two decimal places.) Part 3 b. How long do you estimate the time required to install the fourth pool? enter your response here hours. (Enter your response rounded to two decimal places.)arrow_forward
- A contractor is preparing a bid to install swimming pools at a new housing addition. The estimated time to build the first pool is 41 hours. The contractor estimates a 90 percent learning rate. Part 2 a. How long do you estimate the time required to install the second pool? enter your response here hours. (Enter your response rounded to two decimal places.)arrow_forwardSuppose a manufacturer of copiers has concluded that an 82% learning curve applies to the time a beginning service technician takes to diagnose a faulty copying machine. The estimated time the technician takes to install the first copier is 3.2 hrs. Estimate how long will the technician take to diagnose the 10th copier. Plot the learning curve (include time estimates of 50 units in your plot). If another technician has an estimated learning curve of 80%, which technician is expected to learn faster? PLOT the learning curve, please.arrow_forwardThe product TRX takes 9.99 hours for production of 1 unit, where learning curve rate is 77% and what will be the total time taken by 8th unit of product TRX using incremental unit time method ?arrow_forward
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