document.write( "Question 460844: The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 15. Corinne scores 128 on such a test. She scores higher than what percent of all adults? \n" ); document.write( "
Algebra.Com's Answer #316137 by edjones(8007)\"\" \"About 
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z=(128-100)/15
\n" ); document.write( "=1.867
\n" ); document.write( "Area under normal curve beyond 1.867 is .031
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