document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=381657>Question 381657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A standardized test has a mean score of 100 and a standard deviation of 15.<BR>\n" );
document.write( "A. What percentage of people score between 70 and 85?<BR>\n" );
document.write( "B. What percentage of people score between 100 and 115? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #270721 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=270721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A standardized test has a mean score of 100 and a standard deviation of 15.<BR>\n" );
document.write( "A. What percentage of people score between 70 and 85?<BR>\n" );
document.write( "B. What percentage of people score between 100 and 115?<BR>\n" );
document.write( "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 ALIGN=MIDDLE  ALT=\"z=%28x-mu%29%2Fsigma\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "A) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B1%5D=%2870-100%29%2F85 ALIGN=MIDDLE  ALT=\"z%5B1%5D=%2870-100%29%2F85\"   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=%2885-100%29%2F85 ALIGN=MIDDLE  ALT=\"z%5B2%5D=%2885-100%29%2F85\"   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%5B2%5D%29-P%28z%5B1%5D%29 ALIGN=MIDDLE  ALT=\"P=P%28z%5B2%5D%29-P%28z%5B1%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "B) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B3%5D=%28100-100%29%2F85=0 ALIGN=MIDDLE  ALT=\"z%5B3%5D=%28100-100%29%2F85=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B4%5D=%28115-100%29%2F85 ALIGN=MIDDLE  ALT=\"z%5B4%5D=%28115-100%29%2F85\"   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%5B4%5D%29-0.5%29 ALIGN=MIDDLE  ALT=\"P=P%28z%5B4%5D%29-0.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ". </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );