11. In the 1994 General Social Survey. responses of 1964 subjects to the question. "On the average day, about how many hours do you personally watch television had a mean of 2.8 The standard error of the mean was .05.

a) Calculate a 98% confidence interval for the mean daily time spent watching television. Interpret

b) Find the standard deviation of the time spent watching television Do you think that the distribution was bell-shaped? Why or why not?