Researchers studied the relationship between how long a person uses a computer before bed and how long a person sleeps each night. People were selected at random to participate in the study. The computer use
of each participant was classified as minimal, moderate, or extreme.
The relative frequency table below summarizes the results of this study. There were 42 extreme computer
users in the study.
How many people in this study got 5 or fewer hours of sleep?
(Round to the nearest whole number.)