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When Noah runs the 400 meter dash, his finishing times are normally distributed with a mean of 81 seconds and a standard deviation of 2

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When Noah runs the 400 meter dash, his finishing times are normally distributed with a mean of 81 seconds and a standard deviation of 2 seconds. If Noah were to run 29 practice trials of the 400 meter dash, how many of those trials would be faster than 81 seconds, to the nearest whole number

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