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Finding x and E: A 90% confidence interval for a population mean is given as 38.7

Posted: Wed Dec 15, 2021 10:30 am

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Finding X And E A 90 Confidence Interval For A Population Mean Is Given As 38 7 U 46 9 Round Your Answers To 1 Dec 1 (13.43 KiB) Viewed 74 times

Finding x and E: A 90% confidence interval for a population mean is given as 38.7 <u < 46.9. Round your answers to 1 decimal place. (a) Calculate the sample mean. x = (b) Calculate the margin of error. E =