We wish to constructa 90% confidence interval on the mean of a population known to be normally

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We wish to constructa 90% confidence interval on the mean of a population known to be normally distributed based on a sample of 20 observations having a sample mean of 8 and a sample standard deviation of 2. What is the standard error? (Answer to four decimal places)

Posted Date: May 17, 2024 11:09 AM

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We wish to constructa 90% confidence interval on the mean of a population known to be normally

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