document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155541>Question 1155541</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many randomly selected employers (minimum number) must we contact in order to guarantee a margin of error of no more than 4% (at 95% confidence)?\r<BR>\n" );
document.write( "\n" );
document.write( "A.600<BR>\n" );
document.write( "B.400<BR>\n" );
document.write( "C.550<BR>\n" );
document.write( "D.1000<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778318 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=778318\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> margins of error estimate is 1/sqrt(n)<BR>\n" );
document.write( "if 0.04=1/25 is margin of error <BR>\n" );
document.write( "then n=25^2 or 625.<BR>\n" );
document.write( "Choose 600.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );