at one point the average unleaded gasoline was $3.68 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 station have prices within two standard deviations of the mean? (b) what percentage of gasoline stations have prices within 1.5 standard deviation of the mean? what are the gasoline prices that are within 1.5 standard deviation of the mean? (c) what is the minimum percentage of gasoline stations that have prices between $3.41 and $3.95