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1234(3) Hospital Noise Levels For a sample of 10 operating rooms taken in a hospital study, the mean noise level was 42.4 decibels and the

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1234(3) Hospital Noise Levels For a sample of 10 operating rooms taken in a hospital study, the mean noise level was 42.4 decibels and the standard deviation was 11.7. 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. M

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