The residents of a city suburb live at a mean distance of 16.0 km from the center

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The residents of a city suburb live at a mean distance of 16.0 km from the center of the city, with a standard deviation of 4.0 km. What percent of the residents live between 12.0 km and 18.0 km of the center of the city?

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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