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1. Thirty nine items are randomly selected from a population of 410 items. The sample mean is 38, and the standard deviation 3. Develop a
1. Thirty nine items are randomly selected from a population of 410 items. The sample mean is 38, and the standard deviation 3. Develop a 98% confidence interval for the population mean. (Round the t value to 3 decimals and final answers to 2 decimal places)
The Confidence interval is between ----- and ------
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