# 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

Chapter 1, Application 1.4 #6

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

2nd Edition

**Authors:** Robert Gerver, Richard J. Sgroi

**ISBN:** 9781337271790