An analyst made the following observations about whether customer service representatives were busy (B) or idle (I):

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An analyst made the following observations about whether customer service representatives were busy (B) or idle (I):
a. What is the percentage of idle time?
b. Given these results, how many observations would be needed to estimate the actual percentage of idle time to within 6 percent with a confidence of 90percent?

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Operations Management

ISBN: 978-0078024108

12th edition

Authors: William J Stevenson

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