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Please help for a good rate if the answer is correct Hospital Noise Levels For a sample of / operating rooms taken in a hospital

Please help for a good rate if the answer is correct

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Hospital Noise Levels For a sample of / operating rooms taken in a hospital study, the mean noise level was 41.4 decibels an the standard deviation was 10.9. Find the 90% 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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