document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=978068>Question 978068</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The upper limit of the 90% confidence interval for the population proportion p, given that n = 100; and  = 0.20  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #599605 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=599605\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> CI=1.645 +/- SE\r<BR>\n" );
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document.write( "SE= sqrt {(0.2)(0.8)/100}<BR>\n" );
document.write( "=0.4/10, because sqrt (0.16)=0.4<BR>\n" );
document.write( "=0.04\r<BR>\n" );
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document.write( "CI=1.645*0.04=0.0658<BR>\n" );
document.write( "upper limit is 0.2658\r<BR>\n" );
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