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 ? = 0.000786 mm. Assume arandom sample of 55 sheets of metal resulted in an x¯ = 0.3307 mm.Calculate the 98 percent confidence interval for the true meanmetal thickness. (Round your answers to 4 decimal places.) The 98%confidence interval is from to

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Solution Given 03307 0000786n 55At 98 confidence level the    See Answer
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