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Suppose that the number of steps that Americans take per day is normally distributed with a mean of 4800 steps and a standard deviation of

Suppose that the number of steps that Americans take per day is normally distributed with a mean of 4800 steps and a standard deviation of 800 steps. What is the probability that randomly selected American will have between 4000 and 5000 steps per day? Round to 3 decimal places.

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