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Assume that a sample is used to estimate a population mean /4. Find the 80% confidence interval for a sample of size 748 with a

Assume that a sample is used to estimate a population mean /4. Find the 80% confidence interval for a sample of size 748 with a mean of 27.7 and a standard deviation of 15.2. Enter your answer as a tri-linear inequality accurate to 3 decimal places

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