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 =
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 = .000786 mm. Assume a random sample of 55 sheets of metal resulted in an x
= .3307 mm.
Calculate the 98 percent confidence interval for the true mean metal thickness.(Round your answers to 4 decimal places.)
The 98% confidence interval is from to
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Applied Statistics In Business And Economics
Authors: David Doane, Lori Seward
4th Edition
73521485, 978-0073521480
