document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1075091>Question 1075091</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A recent survey showed that among 100 randomly selected college seniors, 20 plan to attend graduate school and 80 do not. Determine a 80 % confidence interval for the population proportion of college seniors who plan to attend graduate school. (Enter each answer rounded to three decimal places.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #690053 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=690053\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The interval is z* sqrt {(.2*.8)/100}, where z=+/-1.28<BR>\n" );
document.write( "That is +/-0.051<BR>\n" );
document.write( "The point estimate is 0.2, and that goes in front of the interval<BR>\n" );
document.write( "The interval is (0.149, 0.251) </SPAN>\n" );
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