1.95 Do you have enough "good cholesterol"? High-density lipoprotein (HDL) is sometimes called the"good cholesterol" because high values are associatedwith a reduced risk of heart disease. According to theAmerican Heart Association, people over the age of20 years should have at least 40 milligrams per deciliter(mg/dl) of HDL cholesterol.33 U.S. women aged 20 andover have a mean HDL of 55 mg/dl with a standarddeviation of 15.5 mg/dl. Assume that the distribution isNormal.(a) What percent of women have low values of HDL(40 mg/dl or less)?(b) HDL levels of 60 mg/dl and higher are believedto protect people from heart disease. What percent ofwomen have protective levels of HDL?Clovere2707(c) Women with more than 40 mg/dl but less than 60 mg/dlof HDL are in the intermediate range, neither very good orvery bad. What proportion are in this category?C2Iс

Answered: Image /qna-images/answer/5622370c-7435-4f66-af9a-732194b9849b.jpg

you have enough "good cholesterol": poprotein (HDL) is sometimes called th -lesterol" because high values are assoc luced risk of heart disease. According Heart Association, people over the age hould have at least 40 milligrams per HDL cholesterol.33 U.S. women aged 2 a mean HDL of 55 mg/dl with a stand of 15.5 mg/dl. Assume that the distribu percent of women have low values of HI or less)? evels of 60 mg/dl and higher are believe people from heart disease. What percer ve protective levels of HDL? with more than 40 mg/dl but less than