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Construct the confidence interval for the population mean mu. cequals0.90​, x overbar equals 9.3​, sigmaequals0.8​, and...

Construct the confidence interval for the population mean mu. cequals0.90​, x overbar equals 9.3​, sigmaequals0.8​, and nequals56 A 90​% confidence interval for mu is left parenthesis nothing comma nothing right parenthesis . ​(Round to two decimal places as​ needed.)

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