document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131947>Question 1131947</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need help with this problem<BR>\n" );
document.write( "Find the z-score for the standard normal<BR>\n" );
document.write( "distribution where:<BR>\n" );
document.write( "P(-a < z < 0) = 0.1844<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748696 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=748696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "We know that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28z+%3C+0%29+=+0.5 ALIGN=MIDDLE  ALT=\"P%28z+%3C+0%29+=+0.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28z%3C-a%29+=+0.50+-+0.1844+=+0.3156 ALIGN=MIDDLE  ALT=\"P%28z%3C-a%29+=+0.50+-+0.1844+=+0.3156\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Using a Standard Normal table ... \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28z%3C-a%29+=+0.3156%7B%7B%7B+has+%7B%7B%7Ba+=+0.48+ ALIGN=MIDDLE  ALT=\"P%28z%3C-a%29+=+0.3156%7B%7B%7B+has+%7B%7B%7Ba+=+0.48+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28-0.48%3Cz%3C0%29+=+0.1844+ ALIGN=MIDDLE  ALT=\"P%28-0.48%3Cz%3C0%29+=+0.1844+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "or this way:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28-a%3Cz%3C0%29+=+0.1844+ ALIGN=MIDDLE  ALT=\"P%28-a%3Cz%3C0%29+=+0.1844+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28+0+%3C+z+%3C+a%29+=+0.1844 ALIGN=MIDDLE  ALT=\"P%28+0+%3C+z+%3C+a%29+=+0.1844\"   DISABLED_style= \"max-width:90%; height:auto;\" > (because of symmetry) <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28+z+%3C+a%29+=+0.5%2B0.1844+=+0.6844+ ALIGN=MIDDLE  ALT=\"P%28+z+%3C+a%29+=+0.5%2B0.1844+=+0.6844+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Look for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.6844 ALIGN=MIDDLE  ALT=\"0.6844\"   DISABLED_style= \"max-width:90%; height:auto;\" > under areas (in cumulative normal probability table) and read <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z ALIGN=MIDDLE  ALT=\"z\"   DISABLED_style= \"max-width:90%; height:auto;\" > backwards. \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=0.48 ALIGN=MIDDLE  ALT=\"a=0.48\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-a=-0.48 ALIGN=MIDDLE  ALT=\"-a=-0.48\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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