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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
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9.    Suppose you want to estimate the proportion of tradi- tional college students on your campus who own their own car. You have no preconceived idea of what that proportion might be.
a)Â Â Â What sample size is needed if you wish to be 95% confident that your estimate is within 0.02 of the true proportion?
b)Â Â Â What sample size is needed if you wish to be 99% confident that your estimate is within 0.02 of the true proportion?
c)Â Â Â What sample size is needed if you wish to be 95% confident that your estimate is within 0.05 of the true proportion?
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