Drug company. Manufacturing and selling drugs that claim to reduce an individual’s cholesterol level is big business.

A company would like to market their drug to women if their cholesterol is in the top 15%. Assume the cholesterol levels of adult American women can be described by a Normal model with a mean of 188 and a standard deviation of 24.

a) Draw and label the Normal model.

b) What percent of adult women do you expect to have cholesterol levels over 200 ?

c) What percent of adult women do you expect to have cholesterol levels between 150 and 170 ?

d) Estimate the interquartile range of the cholesterol levels.

e) Above what value are the highest 15% of women’s cholesterol levels?