5. In an effort to estimate the mean amount spent per customer for dinner at a major...
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5. In an effort to estimate the mean amount spent per customer for dinner at a major Atlanta restaurant, data were collected for a sample of 49 customers. Assume a population standard deviation of $5.
a. At 95% confidence, what is the margin of error?
b. If the sample mean is $24.80, what is the 95% confidence interval for the population mean?
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Related Book For
Essentials Of Statistics For Business And Economics
ISBN: 9780324568608
5th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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