Suppose a time spent by kids in front of the television set…
Suppose a time spent by kids in front of the television set per year is normally distributed with the mean of 1400 hours and the standard deviation of 80 hours. In a sample of 450 kids, how many spent more than 1452 hours per year in front of TV set?
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Suppose a time spent by kids in front of the television set per year is normally distributed with the mean of 1400 hours and the standard deviation of 80 hours. Find the time (in hours) spent by kids in front of the television set per year, which only 33% of kids exceed. Round to the nearest hour.
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