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Asked Feb 27, 2019

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According to the Empirical Rule (also called the 68-95-99.7 Rule), for bell shaped data we say that about 68% of data fall within one standard deviation of the mean; about 95% of data fall within two standard deviations of the mean; and about 99.7% of data fall within three standard deviations of the mean.

Therefore, for the given...

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