document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153673>Question 1153673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A random sample of 500 registered voters in Flagstaff found 50 registered voters who vote as an independent. Find a 95% confidence interval for the true percent of registered voters in Flagstaff who vote as an independent. Express your results to the nearest hundredth of a percent. . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #775974 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=775974\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean is 50/500 or 0.1<BR>\n" );
document.write( "The SE is the sqrt ((p)*(1-p)/n) or sqrt(0.1*0.9/500)=0.0134<BR>\n" );
document.write( "half-interval at 95% CI is 1.96*SE=0.0263<BR>\n" );
document.write( "the 95% CI is (0.0737, 0.1263) or (7.37%, 12.63%) </SPAN>\n" );
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