A hospital administrator thinks that the X-ray equipment is only in use about 20 percent of the

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A hospital administrator thinks that the X-ray equipment is only in use about 20 percent of the time. What number of observations in a work sampling study would be needed to estimate the true percentage of time to within 5 percent with a confidence of 98 percent?


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Operations Management

ISBN: 978-0078024108

12th edition

Authors: William J Stevenson

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