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Exam 22: Learning Curves

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Question 51

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The first unit took 79 hours; the tenth took 46 hours. What learning rate is implied by the data?

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The improvement is 4...

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Question 52

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Your firm has expertise with a special type of hand-finished furniture. The learning rate is known to be 88%. If the first piece of furniture took 5 hours, how long will it take to do the second? How long will it take to do the 8th?

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Use the successive doubling (a...

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Question 53

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Your firm has a contract to make 20 specialty lenses for night vision equipment. The first one took 40 hours. Learning is expected at the 85% rate. How long will it take to finish all 20 units?

A manager is trying to estimate the appropriate learning curve for a certain job. The manager notes that the first four units had a total time of 30 minutes. Which learning curve would yield approximately this result if the first unit took 9 minutes? (Use Table E.3 (in the text) cumulative coefficient.)

________ are based on the premise that people and organizations get better at their tasks as the tasks are repeated.

Learning curves have a variety of purposes, which can be placed into which of these broad categories?

Your firm has expertise with a special type of hand-finished furniture. The learning rate is known to be 75%. If the first piece of furniture took 9 hours, how long will it take to do the second? How long will it take to do the 16th?

Susan suspects strongly that there is a learning curve associated with solving problems assigned for operations management. She notes that it took her approximately 21 minutes to solve the first problem and 18 minutes to solve the fourth problem. a. Estimate Susan's learning percentage. b. Using your answer from part a, estimate how much longer it will take Susan to finish the three problems that remain.

A metal works fabricator is about to release a new model of his firm's copper sculpture and fountain. The operations manager estimates that this product is subject to a 90% learning rate on labour only-the material bill is not affected by experience. The firm prices its work based on cost-the sum of materials plus 30% and labour plus 50%. (This allows the firm to practice a little "demand management" for its very popular works.) The first item has already been finished; the material bill was $800 and labour totalled 40 hours. The firm pays its metalworking artisans an average of $18 per hour. What should be the asking price of the first unit? The second?

The seventh unit of production took 63.423 minutes while the ninth unit of production took 59.8 minutes. What is the improvement rate?

Suppose that there are two products with the same first product time. However, product A has an improvement rate of 10% while product B has an improvement rate of 20%. How much longer will it take to make the 10th unit of product A compared to product B?

The fourth unit of production took 80 minutes while the ninth unit of production took 50 minutes. How long did the first unit take?

Your firm has expertise with a special type of hand-finished furniture. The learning rate is known to be 82%. If the first piece of furniture took 6 hours, how long will it take to do the second? How long will it take to do the fourth?

The first unit of a product took 1,000 hours to build and the learning curve is 85%. How long will it take to make the first 5 units? (Use Table E.3 in the text.)

It took 60 hours to make the first unit of a product. After the second and third units were made, the learning curve was estimated to be 80%. At $10 per hour, estimate the labour bill for the fourth unit. (Use at least three decimals in the exponent if you use the logarithmic approach.)

The learning curve rate is

The first unit of a product took 50 hours to build, and the learning curve is 80%. How long will it take to make the third unit? (Use at least three decimals in the exponent if you use the logarithmic approach.)

When comparing a 70% learning curve versus a 90% learning curve, which one results in a more rapid reduction in labour requirements? Why?

Which of the following statements is most appropriate with respect to a 70% learning curve?

Learning curves are