The average American spent 4.4 hours per day watching television during the 1996 (Statistical Abstract of the United States, 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.