document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1072943>Question 1072943</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to solve for the critical value za/2 that corresponds to a confidence level of 80% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #687800 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=687800\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using symmetry, the remaining area would be 20% or 0.2.<BR>\n" );
document.write( "That area is split by the right and left tail so find the z value(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5Bc%5D ALIGN=MIDDLE  ALT=\"z%5Bc%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >) that corresponds to 0.1.<BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28-z%5Bc%5D%3Cz%3Cz%5Bc%5D%29=0.8 ALIGN=MIDDLE  ALT=\"P%28-z%5Bc%5D%3Cz%3Cz%5Bc%5D%29=0.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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