A recent Internet survey showed per-day lodging expenses at Disney World in Orlando range from less than
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A recent Internet survey showed per-day lodging expenses at Disney World in Orlando range from less than $100 for a campsite to more than $2,000 for a top luxury room. The cost-per-day average of the top 10 most popular hotels at Disney World is $348.
a. If the standard deviation is $80, find the z-score for a per-day expense of $400.
b. If the data are approximately normally distributed with mean $348 and standard deviation $80, what percent of the hotels have per-day expenses greater than $268?
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Related Book For
Financial Algebra Advanced Algebra With Financial Applications
ISBN: 9781337271790
2nd Edition
Authors: Robert Gerver, Richard J. Sgroi
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