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Exam 4: PART-A: Learning Curves

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Question 21

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You time someone completing a single task the first time at 120 minutes and the second time they do the task it takes 108 minutes.You should use a 90 percent Learning Curve to estimate the length of time this worker will take to complete this task in the future.

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Question 22

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learning curve shows the decrease in time required for each successive unit completed.

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Question 23

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An assumption of learning curves is that the time required to complete a unit will increase at an increasing rate as the cumulative number of units completed increases.

You have determined that a 75 percent learning curve is appropriate for a task.If the initial timing of the person performing that job was 50 minutes,and if you need the job performed 500 times,how many minutes of work will be required?

The unit improvement factor for a 60% learning curve at 25 units is 0.0933.The first and second timings of a person doing a job are 10 minutes and 6 minutes respectively.The learning-adjusted time estimate for the unit number 25 is 0.9330 minutes.

You have determined that a 60 percent learning curve is appropriate for a task.If your initial timing of person performing that task was 35 minutes and if you need the task performed 1,000 times,how many minutes of work will be required?

company's production process has an 85 percent learning curve rate.The process has produced 1,000 units to date.process refinement is estimated to allow a future learning curve rate for the identical product of 75 percent.However,the initial unit made using the new process will take the same amount of time as the very first unit produced using the old process.At what point,using the new process,will the production rate exceed the production rate achieved by the old process?

You time someone completing a single task the first time at 10 minutes and the second time they do the task it takes 9 minutes.You should use an 80 percent learning curve to estimate the length of time this worker will take to complete take to complete this task in the future.

The unit improvement factor for an 80% learning curve at 100 units is 0.2271.The first and second timings of a person doing a job are 20 minutes and 16 minutes respectively,what is the learning-adjusted time estimate for unit number 100?

The unit improvement factor for a 60% learning curve at 25 units is 0.0933.The first and second timings of a person doing a job are 5 minutes and 3 minutes respectively.The learning-adjusted time estimate for the unit number 25 is 0.0933 minutes.

You have just timed a person doing a job a few times.The first time it took the person 25 minutes,the second time it took 20 minutes,and the third time it took 17.55 minutes.Which learning curve unit improvement factor should you use?

The 50^th repetition of a job is timed at 100 minutes.If the learning curve for this job is 90 percent,what is the estimated time for the 100^th repetition of this job?

You time someone completing a single task the first time at 100 minutes and the fourth time they do the task it takes 81 minutes.You should use a 90 percent learning curve to estimate the length of time this worker will take to complete this task in the future.

The 50^th repetition of a job is timed at 100 minutes.If the learning curve for this job is 90 percent,what is the estimated time for the 200^th repetition of this job?

You are a consultant specializing in estimating the costs after the employees learn how to do a job more efficiently by repetition.Your client can produce a product the first time at a cost of $2,500.If their 65 percent Learning Curve allows them to reduce their costs on each product,what is the total cost of producing 400 units of the new product?

Economies of scale and the learning curve have opposite effects on capacity.

You have just timed a person doing a job a four times.The first time it took the person 120 minutes,the second time it took 90 minutes,the third time it took 76.1 minutes,and the fourth time it took 67.5 minutes.Which Learning Curve Unit Improvement Factor should you use?

An assumption of learning curves is that the time required to complete a unit will decrease at a decreasing rate as the cumulative number of units completed increases.

With a 70 percent unit improvement factor learning curve and an initial time of 100 minutes to do a job,at what number of repetitions does the job take less than 50 minutes?

Learning curves have a wide range of business applications.