College students average 7.1 hours of sleep per night with a standard deviation of 45 minutes. If the amount of sleep is normally distributed, what proportion of college students sleep for more than 8.1 hours? Proportion =
Added by Alfredo M.
Step 1
Convert the given information into the same units. Since the standard deviation is given in minutes, let's convert the mean and the value we want to find the proportion for into minutes as well. Mean = 7.1 hours * 60 minutes/hour = 426 minutes Value = 8.1 hours * Show more…
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