(Answered) At one point the average price of regular unleaded gasoline

Statistics

At one point the average price of regular unleaded gasoline was $3.713.71per gallon. Assume that the standard deviation price per gallon is $0.070.07per gallon and use Chebyshev's inequality to answer the following.

(a) What percentage of gasoline stations had prices within 44 standard deviations of the mean?

(b) What percentage of gasoline stations had prices within 2.52.5 standard deviations of the mean? What are the gasoline prices that are within 2.52.5 standard deviations of the mean?

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