Mathematics, 16.04.2021 04:00 Science2019

When Xochitl runs the 400 meter dash, her finishing times are normally distributed with a mean of 84 seconds and a standard deviation of 2.5 seconds. Using the empirical rule, determine the interval of times that represents the middle 68% of her finishing times in the 400 meter race.

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When Xochitl runs the 400 meter dash, her finishing times are normally distributed with a mean of 84...