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When Hakeem runs the 400 meter dash his finishing times are normally distributed with a mean of 70 seconds and a standard deviation of 2

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When Hakeem runs the 400 meter dash his finishing times are normally distributed with a mean of 70 seconds and a standard deviation of 2 seconds Using the empirical rule determine the interval of times that represents the middle 68 of his finishing times in the 400 meter race

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