document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1183715>Question 1183715</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Aresearch institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=1064 and x=572 who said yes.Use a 99 % confidence level . Find the best point estimate of the population proportion p </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814221 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=814221\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The point estimate mss 572/1064=0.5376<BR>\n" );
document.write( "the half-interval for a CI=99% is z(0.995)*sqrt(0.5376*0.4624/1064)<BR>\n" );
document.write( "=2.576*0.0153=0.0393<BR>\n" );
document.write( "so the interval is (0.4983, 0.5769)<BR>\n" );
document.write( "Where one rounds will affect the fourth decimal place. </SPAN>\n" );
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