The average american spent 4.4 hours per day watching television during 1996. Suppose the standard deviation is 2.1 hours
a) Use Chebyshev's theorem to calculate the percentage of individuals watching between 0.2 and 8.6 hours per day.
b) Use Chebyshev's theorem to calculate the percentage of individuals watching between 0.0 and 8.8 hours per day.
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