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Thirty-seven items are randomly selected from a population of 290 items. The sample mean is 36, and the sample standard deviation 9. Develop a 80%

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Thirty-seven items are randomly selected from a population of 290 items. The sample mean is 36, and the sample standard deviation 9. Develop a 80% confidence Interval for the population mean. (Round the t-value to 3 decimal places. Round the final answers to 2 decimal places.) The confidence Interval is between and

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