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A company that produces white bread is concerned about the distribution of the amount of sodium in its bread. The company takes a simple random sample of 100 slices of bread and computes the sample mean to be 103 milligrams and a sample standard deviation of 10 mg of sodium per slice. Construct 90% confidence interval for the unknown mean sodium level.

A company that produces white bread is concerned about the distribution of the amount of sodium in its bread. The company takes a simple random sample of 100 slices of bread and computes the sample mean to be 103 milligrams and a sample standard deviation of 10 mg of sodium per slice. Construct 90% confidence interval for the unknown mean sodium level.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a.(101.355, 104.645)
b.(102.035, 103.989)
c.(101.383, 104.877)
d.(101.44, 107.81)
A company that produces white bread is concerned about the distribution of the amount of sodium in its bread. The company takes a simple random sample of 100 slices of bread and computes the sample mean to be 103 milligrams and a sample standard deviation of 10 mg of sodium per slice. Construct 90% confidence interval for the unknown mean sodium level.
Transcribed Image Text:A company that produces white bread is concerned about the distribution of the amount of sodium in its bread. The company takes a simple random sample of 100 slices of bread and computes the sample mean to be 103 milligrams and a sample standard deviation of 10 mg of sodium per slice. Construct 90% confidence interval for the unknown mean sodium level.
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