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 o = .000742 mm. Assume a random sample of 48 sheets of metal resulted in an = .2731 mm. Calculate the 95 percent confidence interval for the true mean metal thickness. (Round your answers to 4 decimal places.) The 95% confidence interval is from to

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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 σ = .000742 mm. Assume a random sample of 48 sheets of metal resulted in an ¯x¯ = .2731 mm.
 
Calculate the 95 percent confidence interval for the true mean metal thickness. (Round your answers to 4 decimal places.)

The 95% confidence interval is from _______ to _______.

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 o =
.000742 mm. Assume a random sample of 48
sheets of metal resulted in an a = .2731 mm.
Calculate the 95 percent confidence interval for
the true mean metal thickness. (Round your
answers to 4 decimal places.)
The 95% confidence interval is from
to
Transcribed Image Text: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 o = .000742 mm. Assume a random sample of 48 sheets of metal resulted in an a = .2731 mm. Calculate the 95 percent confidence interval for the true mean metal thickness. (Round your answers to 4 decimal places.) The 95% confidence interval is from to
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