The National Center for Education Statistics reported that 47% of college students work to pay for tuition
Question:
The National Center for Education Statistics reported that 47% of college students work to pay for tuition and living expenses. Assume that a sample of 450 college students was used in the study.
a. Provide a 95% confidence interval for the population proportion of college students who work to pay for tuition and living expenses.
b. Provide a 99% confidence interval for the population proportion of college students who work to pay for tuition and living expenses.
c. What happens to the margin of error as the confidence is increased from 95% to 99%?
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a 47 196 47 0461 or 4239 ...View the full answer
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Related Book For 
Essentials Of Statistics For Business And Economics
ISBN: 9781305081598
7th Edition
Authors: David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam
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