Mathematics, 09.09.2021 04:00, maze45

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.
If the standard deviation is $80, find the z-score for a per-day expense of $400.
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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A recent Internet survey showed per-day lodging expenses at Disney World in Orlando range from les...