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A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees is 22

A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees is 22 inches with a standard deviation of 5 inches. Assume the distribution of diameters is normally distributed. What percent of the trees will have diameters between 10 and 21 inches?

Write the answer inpercent with 2 decimal places.

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