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The reaction times of people in an experiment were normally distributed with a mean of 2 seconds and a standard deviation of 0.5 seconds.

The reaction times of people in an experiment were normally distributed with a mean of 2 seconds and a standard deviation of 0.5 seconds. Draw the distribution showing reaction times at 1, 2, and 3 standard deviations from the mean. Show the percentage of times within 1, 2, and 3 standard deviations of the mean.

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