You know that cholesterol is normally distributed among women between the ages of 21 and 44. The mean in this population is 190 and the standard deviation is 15.

a. What proportion/percent of women between the ages of 21 and 44 has a cholesterol less than 190?

b. What proportion/percent of women in this age group has cholesterol less than 205?

c. What proportion/percent of women in this age group has cholesterol between 160 and 220?

d. What proportion/percent of women in this age group has cholesterol greater than 200?

e. If a woman aged 25 came into your office and her cholesterol level was 220, would you consider her a candidate for counseling about her nutrition? Use percentiles to justify your answer.