document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1054944>Question 1054944</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A survey asked, \"How important is it to you to buy products that are made in America?\" Of the 600 Americans surveyed, 450 responded, \"It is important.\" For the 77% level of confidence, find the margin of error. Use Table 2. Round to three decimal places ( a tenth 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 #670144 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=670144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p = 450/600 = 3/4, q = 1/4<BR>\n" );
document.write( "ME = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%2Asqrt%28%28p%281-p%29%29%2Fn%29 ALIGN=MIDDLE  ALT=\"z%2Asqrt%28%28p%281-p%29%29%2Fn%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "77% confidence level:  z = invNorm(.77 + .115) = invNorm(.885) = 1.2<BR>\n" );
document.write( "|<BR>\n" );
document.write( "ME = ±<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.2%2Asqrt%28%28%283%2F4%29%281%2F4%29%29%2F600%29 ALIGN=MIDDLE  ALT=\"1.2%2Asqrt%28%28%283%2F4%29%281%2F4%29%29%2F600%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%281.2%29 ALIGN=MIDDLE  ALT=\"highlight%281.2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > *.0177 = .02124  0r 2.1%<BR>\n" );
document.write( "If these are Your choices...  2.5,2.4,3.4, and 5.4  <BR>\n" );
document.write( "Might Check z (highlighted)<BR>\n" );
document.write( " 77% ???  confidence level Haven't seen that before....<BR>\n" );
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