document.write( "Question 1187523: The distribution of cholesterol levels in teenage boys is approximately normal with a mean of 170 and a standard deviation of 30. Levels above 200 warrant attention. (a)How many percent of teenage boys has a cholesterol level greater than 200? (b) What is the highest cholesterol level of the bottom 14%
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #819228 by Theo(13342)![]() ![]() You can put this solution on YOUR website! mean is 170 \n" ); document.write( "standard deviation is 30.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "percent above 200 is equal to 15.86552596.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "highest cholesterol level of the bottom 14% is equal to 137.5904198.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i used the ti-84 plus calculator to get these results.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "an online calculator that you can use to get similar results can be found at https://davidmlane.com/hyperstat/z_table.html\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "here are the results from using this calculator.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "percent above 200 (they use ratio rather than percent. \n" ); document.write( "ratio or proportion = percent divided by 100.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "highest value of bottom 14%.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |