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Suppose the nightly rate for a hotel is thought to be bell-shaped and symmetrical with a...

Suppose the nightly rate for a hotel is thought to be bell-shaped and symmetrical with a mean of $72 and a standard deviation of $24. According to the Empirical Rule, what is the percentage of hotels with rates between $48 and $96?

approximately 68

at least 75

approximately 99.7

at least 89

approximately 95

Math   Statistics-And-Probability   
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Answer #1

If distribution is bell shaped and symmetrical then according to empirical rule approximately 68% of data values lies between and

Here = $ 72 and standard deviation = $ 24

   = 48 and = 96

The percentage of hotels with rates between $48 and $96 is approximately 68

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