What percentage of kids aged 12 to 17 watches television

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According to a recent study, kids aged 12 to 17 watched an average of 3 hours of television per day. Suppose that the standard deviation is 1 hour and that the distribution of the time watching television has a bell-shaped distribution.

What percentage of kids aged 12 to 17 watches television between 2 and 3 hours per day?
What percentage of kids aged 12 to 17 watches television between 1 and 4 hours per day?
What percentage of kids aged 12 to 17 watches television more than 4 hours per day?

Reference no: EM13245595

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