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A medical devices company wants to know the number of hours its MRI machines are used per day. A previous study found a standard
A medical devices company wants to know the number of hours its MRI machines are used per day. A previous study found a standard deviation of 3.9 hours. How many MRI machines must the company find data for in order to have a margin of error of at most 0.45 hour when calculating a 98% confidence interval? 346.26 347 407 425
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Management Accounting Information for Decision-Making and Strategy Execution
Authors: Anthony A. Atkinson, Robert S. Kaplan, Ella Mae Matsumura, S. Mark Young
6th Edition
137024975, 978-0137024971
