Question: (20 points) Consider the normal distribution described in problem 6.3 1, page 150.

(a) What proportion of children have viewing times greater than 17.25 hours per week?

(b) What proportion of children have viewing times less than 17.25 hours per week?

(c) What proportion of children have viewing times between 14 and 21.5 hours per week?

(d) Find the 65th percentile of this distribution. Hint: find the x-value that has the area to its left of 0.65).

(e) Find the third quartile of this distribution, and interpret the result. Hint: third quartile is the 75th percentile.