An author conducts a survey of percentage of Americans who make online purchases. A prior survey shows
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An author conducts a survey of percentage of Americans who make online purchases. A prior survey shows 80% of American adults make online purchases. If he wants an error rate of at least 3% of a 95% confidence interval, how many subjects minimum will he have to survey to achieve this error rate?
Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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