According to a survey of 1,235 businesses by IDC, a market-research concern in Framingham, Massachusetts, 12.1% of
Question:
a. With 95% confidence, what is the margin of error when estimating the proportion of sole proprietors that engage in e-commerce?
b. Construct a 95% confidence interval for the population proportion.
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Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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