document.write( "Question 733692: The 1987 report of the National Cholesterol Education Program recommends that \n" );
document.write( "total blood cholesterol should be less than 200 mg/dL to lead to a lower risk for heart \n" );
document.write( "disease. The total blood cholesterol for males aged 20–29 is normally distributed \n" );
document.write( "with a mean of 195 and a standard deviation of 9.2. \n" );
document.write( "(a) What is the probability that a male aged 20–29 chosen at random has a total \n" );
document.write( "blood cholesterol greater than 200? \n" );
document.write( "(b) What proportion of males aged 20–29 have a total blood cholesterol in the \n" );
document.write( "range 180–200? \n" );
document.write( "
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