Assume the cholesterol levels of adult American women are normally distributed with a mean of 190 mg/dL and a standard deviation of 26 mg/dL.
a) What percent of adult women do you expect to have cholesterol levels at least 200 mg/dL?
b) What percent of adult women do you expect to have cholesterol levels between 150 and 170 mg/dL (include the boundaries)?
c) Above what value are the top 15% of women's cholesterol levels?
d) What level would represent the 10th percentile?