Mathematics, 03.09.2021 19:30 miacespedes
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?
Answers: 2
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6. A recent Internet survey showed per-day lodging expenses at Disney World
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