document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1055205>Question 1055205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.\r<BR>\n" );
document.write( "\n" );
document.write( "95% confidence; n = 420, x = 150\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Thank you !! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #670430 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=670430\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places. <BR>\n" );
document.write( "95% confidence; n = 420, x = 150 <BR>\n" );
document.write( "----<BR>\n" );
document.write( "Note: p = x/n = 150/420 = 0.357 ; q = 1-p = 0.643<BR>\n" );
document.write( "---<BR>\n" );
document.write( "ME = z*sqrt[p*q/n] <BR>\n" );
document.write( "---<BR>\n" );
document.write( "ME = 1.96*sqrt[0.357*0.643/420] = 0.0458<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );