Assume the average amount of caffeine consumed daily by adults is normally distributed with a mean of 250 mg and a standard deviation of 48 mg. In a random sample of 500 adults, how many consume at least 320 mg of caffeine daily? Click here to view page 1 of the standard normal distribution table, Click here to view page 2 of the standard normal distribution table. Of the 500 adults, approximately adults consume at least 320 mg of caffeine daily. (Round to the nearest whole number as needed.)

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