26. Brides magazine reported that the mean cost of a wedding is $19,000 (USA Today,April 17, 2000)....
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26. Bride’s magazine reported that the mean cost of a wedding is $19,000 (USA Today,April 17, 2000). Assume that the population standard deviation is $9400. Bride’s plans to use an annual survey to monitor the cost of a wedding. Use 95% confidence.
a. What is the recommended sample size if the desired margin of error is $1000?
b. What is the recommended sample size if the desired margin of error is $500?
c. What is the recommended sample size if the desired margin of error is $200?
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Related Book For 
Essentials Of Modern Business Statistics
ISBN: 9780324312843
3rd Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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