document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1181891>Question 1181891</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a survey of 250 Voters prior to election, 16% indicated that they would vote for the ABC candidate. Estimate with 90% confidence the population proportion of voters who support the ABC? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #811855 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=811855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the half-interval is z(0.975)*sqrt(0.16*0.84/250)<BR>\n" );
document.write( "=1.96*0.0232=0.0454<BR>\n" );
document.write( "(0.1146, 0.2054)<BR>\n" );
document.write( "also STATS TEST A 1-PropZInt<BR>\n" );
document.write( "using x=40 and n=250 (40/250)=0.16 </SPAN>\n" );
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