What level use to represent tenth percentile

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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 ? (Round to tenths)
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?

Reference no: EM13117745

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