document.write( "Question 1179031: Hi! Please help!\r
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document.write( "The distribution of cholesterol levels in teenage boys is approximately normal with a mean= 170 and standard deviation= 30.Levels above 200 warrant attention. If 95 teenage boys are examined, how many would you expect to have cholesterol levels greater than 225?\r
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document.write( "Thank you so much! \n" );
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Algebra.Com's Answer #808524 by ewatrrr(24785) You can put this solution on YOUR website! approximately normal with a mean= 170 and standard deviation= 30 \n" ); document.write( "P(x > 225) = normalcdf(225,9999, 170,30) = .0334 \n" ); document.write( "95 teenage boys sample: .0334*95 = 3 (whole number) \n" ); document.write( " expect 3 to have cholesterol levels > 225 \n" ); document.write( " |