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Mathematics, 09.08.2021 20:40 gjvyverman
A placement exam for entrance into a math class yields a mean of 80 and a standard deviation of10. The distribution of the scores is roughly bell-shaped. Use the Empirical Rule to find thepercentage of scores that lie between 60 and 80.
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A placement exam for entrance into a math class yields a mean of 80 and a standard deviation of10. T...
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