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The heights of students in some population has a Normal distribution with mean 172 cm. In this population1 twenty percent of the students have heights

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The heights of students in some population has a Normal distribution with mean 172 cm. In this population1 twenty percent of the students have heights greater than or equal to 181 cm. \\Nhat is the standard deviation of the heights of the students in this population? Round your answer to the nearest integer

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