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 = .000652 mm. Assume a random sample of 52 sheets of metal resulted in an x¯x¯ = .3373 mm.   Calculate the 95 percent confidence interval for the true mean metal thickness. The 95% confidence interval is from _____ to ______.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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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 = .000652 mm. Assume a random sample of 52 sheets of metal resulted in an x¯x¯ = .3373 mm.
 
Calculate the 95 percent confidence interval for the true mean metal thickness.

The 95% confidence interval is from _____ to ______.

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