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Find the percentage of 2016 vehicles

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Reference no: EM132256860

In its Fuel Economy Guide for 2016 models, the Environmental Protection Agency gives data on 1170 vehicles. If we ignore the vehicles identified as outliers, the combined city and highway gas mileage of the other 1146 vehicles is approximately normal with mean 23.0 miles per gallon and standard deviation 4.9mpg. The 2016 Volkswagen Beetle with a four-cylinder 1.8-L engine and automatic transmission has combined gas mileage of 28mpg. Find the percentage of 2016 vehicles that have better gas milage than the Beetle's gas mileage.

Reference no: EM132256860

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