A recent report indicates that 2-year-old children from well-educated suburban families watched an average of m = 60 minutes of television each day. Assuming that the distribution of...

A recent report indicates that 2-year-old children from well-educated suburban families watched an average of m = 60 minutes of television each day. Assuming that the distribution of television-watching times is normal with a standard deviation of s = 25 minutes, find each of the following proportions.

a. What proportion of 2-year-old children watch more than 2 hours of television each day?

b. What proportion of 2-year-old children watch less than 30 minutes a day?