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The gas mileage for a particular SUV make and model is normally distributed with a mean of 26.2 mpg on the highway. An SUV

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The gas mileage for a particular SUV make and model is normally distributed with a mean of 26.2 mpg on the highway. An SUV in the 75th percentile has an average of 28.1 mpg on the highway. What is the standard deviation for the mpg for this SUV make and model?

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