document.write( "Question 1026850: I recently scored 86% on a midterm exam! If the mean on the exam was 79% with a standard deviation of 6 points, I scored better than how many people taking this exam?
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Algebra.Com's Answer #642144 by Edwin McCravy(20062) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "We want to know what percentage of the bell-shaped \r\n" );
document.write( "normal curve is shaded.\r\n" );
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document.write( "Look up 1.17 in a normal table and \r\n" );
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document.write( "1.  if your table reads from the middle, you get 0.3413 and you \r\n" );
document.write( "add .5000 and get 0.8413, which is 84.13% or about 84%.\r\n" );
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document.write( "2.  if your table reads from the far left, you get 0.8413.\r\n" );
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\n" ); document.write( "I scored better than how many people taking this exam?
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document.write( "You scored better than 84% of the people in the class.\r\n" );
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document.write( "To know how many people that is, you'd have to know how many\r\n" );
document.write( "people there were in the class.  You were not given that\r\n" );
document.write( "information, so you can't find it.  So all you can say is\r\n" );
document.write( "that you scored better than 84% of the people in the class.\r\n" );
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document.write( "Edwin

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