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A sample of daily hotel rates for a family suite approximates a symmetrical, bellshaped distribution. The sample mean is $500; the standard deviation is $20.

A sample of daily hotel rates for a family suite approximates a symmetrical, bellshaped distribution. The sample mean is $500; the standard deviation is $20. Using the Empirical Rule, estimate:

68% of the daily hotel rates are between what two amounts?
Almost all of the daily hotel rates are between what two amounts?

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