At one point the average price of regular unleaded gasoline was $3.48 per gallon. Assume that the standard deviation price per gallon is $0.09 per gallon and use Chebyshev’s inequality to answer the following. (a) What percentage of gasoline stations had prices within 3 standard deviations of the mean? (b) What percentage of gasoline stations had prices within 2.5 standard deviations of the mean? (a) At least nothing% of gasoline stations had prices within 3 standard deviations of the mean. (Round to two decimal places as needed.) (b) At least nothing% of gasoline stations had prices within 2.5 standard deviations of the mean. (Round to two decimal places as needed.)
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