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Assume that a sample is used to estimate a population mean .15. Find the QUE confidence interval for a sample of size 121 1with a

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Assume that a sample is used to estimate a population mean .15. Find the QUE confidence interval for a sample of size 121 1with a mean of 69.2 and a standard deviation of 1?. Enter your answer as a tri-linear inequality accurate to 3 decimal places

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