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A sample of 49 adults attending a country fair determined that the mean age was 45. Given that the population standard deviation is known to

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A sample of 49 adults attending a country fair determined that the mean age was 45. Given that the population standard deviation is known to be 28, determine the 90 confidence interval for the population mean age. (Round the final answers to 3 decimal places.) Confidence interval for the population mean is| |and

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