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Construct the confidence interval for the population mean mu μ. c equals = 0.90 0.90​, x...

Construct the confidence interval for the population mean mu μ. c equals = 0.90 0.90​, x overbar equals 15.8 x=15.8​, sigma σ equals = 6.0 6.0​, and n equals = 70 70 A 90 90​% confidence interval for mu μ is left parenthesis nothing comma nothing right parenthesis . , . ​(Round to one decimal place as​ needed.).

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