(25.3-9) Find a 99% confidence interval for the mean of the copper content of a brass alloy sampled from a normal population of unknown variance. The sample data are (in %): 66, 66, 65, 64, 66, 67, 64, 65, 63, 64.
(25.3-9) Find a 99% confidence interval for the mean of the copper content of a brass alloy sampled from a normal population of unknown variance. The sample data are (in %): 66, 66, 65, 64, 66, 67, 64, 65, 63, 64.
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 1GP
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Transcribed Image Text:(25.3-9) Find a 99% confidence interval for the mean of the copper content of a brass alloy
sampled from a normal population of unknown variance. The sample data are (in %): 66, 66, 65, 64, 66,
67, 64, 65, 63, 64.
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