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Hospital Noise Levels For a sample of 9 operating rooms taken in a hospital study, the mean noise level was 43 decibels and the
Hospital Noise Levels For a sample of 9 operating rooms taken in a hospital study, the mean noise level was 43 decibels and the standard deviation was 11.6. Find the 95% confidence interval of the true mean of the noise levels in the operating rooms. Assume the variable is normally distributed. Round your answers to at least two decimal places.
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Horngrens Financial and Managerial Accounting
Authors: Tracie L. Nobles, Brenda L. Mattison, Ella Mae Matsumura
4th Edition
978-0133251241, 9780133427516, 133251241, 013342751X, 978-0133255584
