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For a random sample of 24 operating rooms taken in a hospital study, the mean noise level was 41.6 decibels, and the standard deviation was 7.5. find the 95% confidence interval of the true mean of the noise levels in the operating rooms. Do not round the t value from the table. Round the t interval to one decimal place. What is the t value from the table for the formula
Apr 25 2020 View more View Less
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