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A technician working for the Chase-National Food Addictive Company would like to estimate the preserving ability of a new additive. This additive will be used for unb brand preserves. Based on past tests, it is believed that the time to spolage for this additive has a standard deviation of 16 days. To be 95 % confident of the true mean time to spolage, what sample size will be needed to estimate the mean time to spoilage with an accuracy of one day?

A technician working for the Chase-National Food Addictive Company would like to estimate the preserving ability of a new additive. This additive will be used for unb brand preserves. Based on past tests, it is believed that the time to spolage for this additive has a standard deviation of 16 days. To be 95 % confident of the true mean time to spolage, what sample size will be needed to estimate the mean time to spoilage with an accuracy of one day?

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 technician working for the Chase-National Food Additive Company would like to estimate the preserving ability of a new additive. This additive will be used for Auntie's brand preserves. Based on past tests, it is believed that the time to spoilage for this additive has a standard deviation of 16 days. To be 95% confident of the true mean time to spoilage, what sample size will be needed to estimate the mean time to spoilage with an accuracy of one day? Answer Keypad Keyboard Shortcuts Tables
Transcribed Image Text:A technician working for the Chase-National Food Additive Company would like to estimate the preserving ability of a new additive. This additive will be used for Auntie's brand preserves. Based on past tests, it is believed that the time to spoilage for this additive has a standard deviation of 16 days. To be 95% confident of the true mean time to spoilage, what sample size will be needed to estimate the mean time to spoilage with an accuracy of one day? Answer Keypad Keyboard Shortcuts Tables
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