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Homework Question: The Ball Corporation's beverage can manufacturing plant in Fort Atkinson, Wisconsin, uses a metal supplier that provides metal with a known thickness standard
Homework Question:
The Ball Corporation's beverage can manufacturing plant in Fort Atkinson, Wisconsin, uses a metal supplier that provides metal with a known thickness standard deviation = .000631 mm. __
Assume a random sample of 46 sheets of metal resulted in an x = .3293 mm.
Calculate the 90 percent confidence interval for the true mean metal thickness.(Round your answers to 4 decimal places.)
The 90% confidence interval is from ( ) to ( )
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