document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1206791>Question 1206791</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A new pesticide company took a random sample of 200 farms using their new<BR>\n" );
document.write( "product. The results showed that 160 farms no longer have a problem with<BR>\n" );
document.write( "caterpillars feeding on their crops, with a margin of error of ±13 farms.<BR>\n" );
document.write( "If the pesticide company is working with 1,470 farms, how many farms will be<BR>\n" );
document.write( "expected to no longer have a problem with caterpillars feeding on their crops?\r<BR>\n" );
document.write( "\n" );
document.write( " 1,176<BR>\n" );
document.write( " 147 to 173<BR>\n" );
document.write( " 1,080 to 1,272<BR>\n" );
document.write( " 1,457 to 14,833 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #844416 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=844416\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sample size is 200.<BR>\n" );
document.write( "mean is 160<BR>\n" );
document.write( "margin of error is plus or minus 13.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "when the sample size is 1470, .....<BR>\n" );
document.write( "mean is expected to be 160 / 200 * 1470 = 1176.<BR>\n" );
document.write( "margin of error is expected to be plus or minus 13/200 * 1470 = 95.55 = 96 rounded to nearest integer.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the third selection appears to be the best choice because it tells you that the number could be between 1080 and 1272.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "this number includes the margin of error.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "you could also have said 1176 with a margin of error of plus or minus 96, but that wasn't one of the selections.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );