document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1090493>Question 1090493</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Use the following formula: z = x &#8722; &#956; . &#963;<BR>\n" );
document.write( " IQ scores are well modeled by the normal model with a mean of 100 and a standard deviation of 16. What is the probability that a randomly selected person has an IQ score:<BR>\n" );
document.write( "(a) below 93?\r<BR>\n" );
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document.write( " (b) between 80and 104? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #704951 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=704951\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the z score,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%28x-mu%29%2Fsigma=%2893-100%29%2F16=-0.4375 ALIGN=MIDDLE  ALT=\"z=%28x-mu%29%2Fsigma=%2893-100%29%2F16=-0.4375\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%28z=-0.4375%29 ALIGN=MIDDLE  ALT=\"P=P%28z=-0.4375%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find the probability from a normal distribution for this z value.<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B1%5D=%2880-100%29%2F16=-1.2 ALIGN=MIDDLE  ALT=\"z%5B1%5D=%2880-100%29%2F16=-1.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B2%5D=%28104-100%29%2F16=0.25 ALIGN=MIDDLE  ALT=\"z%5B2%5D=%28104-100%29%2F16=0.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%5B2%5D-P%5B1%5D ALIGN=MIDDLE  ALT=\"P=P%5B2%5D-P%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%28z=0.25%29-P%28z=-1.2%29 ALIGN=MIDDLE  ALT=\"P=P%28z=0.25%29-P%28z=-1.2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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