Introduction to Business Statistics
Introduction to Business Statistics
7th Edition
ISBN: 9781111792374
Author: WEIERS
Publisher: Cengage Learning
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Estimation
A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.
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Chapter 9, Problem 9.101CE

There are 1254 machinery rebuilding and repairing companies in the United States. A tool manufacturer wishes to survey a simple random sample of these firms to find out what proportion of them are interested in a new tool design. If the tool manufacturer would like to be 95% confident that the sample proportion is within 0.01 of the actual population proportion, how many machinery rebuilding and repairing companies should be included in the sample? Source:
infousa.com, July 21, 2009.

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Chapter 9 Solutions

Introduction to Business Statistics

Ch. 9.6 - An airline has surveyed a simple random sample of...Ch. 9.6 - Estelle McCarthy, a candidate for state office in...Ch. 9 - There are 1254 machinery rebuilding and repairing...Ch. 9 - Prob. 9.106CECh. 9 - A truck loaded with 8000 electronic circuit boards...
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