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Assume the average amount of caffeine consumed daily by adults is normally distributed with a mean of 240 mg and a stand

Posted: Wed May 11, 2022 8:51 am
by answerhappygod
Assume the average amount of caffeine consumed daily by
adults is normally distributed with a mean of 240 mg and a standard
deviation of 48 mg. In a random sample of 300 ​adults, how many
consume at least 320 mg of caffeine​ daily?
Of the 300 ​adults, approximately _____ adults consume at least
320 mg of caffeine daily. (Round to the nearest whole number
as​ needed.)