The Ball Corporation's beverage can manufacturing plant in Fort Atkinson, Wisconsin, uses a metal supplier that...

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The Ball Corporation's beverage can manufacturing plant in FortAtkinson, Wisconsin, uses a metal supplier that provides metal witha known thickness standard deviation a=.000672 mm. Assume a randomsample of 56 sheets of metal resulted in an x=.2737 mm

Calculate the 98 percent confidence interval for the true meanmetal thickness

Interval is from ? to ? Round to 4 decimal places

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