document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871654>Question 871654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider the intelligence Quotient (i.Q.)scores for people. IQs are normally distributed with a mean of 100 and a Standard deviation of 16. If a person is picked at random, find the\r<BR>\n" );
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document.write( "a) probability that his/her score is greater than 90\r<BR>\n" );
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document.write( "b) thirty-third(33rd) percentile </SPAN>\n" );
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document.write( "P(x > 90) = P(z > -10/16) = 73.40%<BR>\n" );
document.write( "invNorm(.33)= -.44<BR>\n" );
document.write( "-.44*16 + 100 = X =  -7.04 + 100 = 93 </SPAN>\n" );
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