document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=773940>Question 773940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3. Calculate the margin of error of the proportion if p&#770; = 0.25, z = 1.96 and n = 200. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #471957 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=471957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Margin of error is:  z*sqrt(p(1-p)/n)\r<BR>\n" );
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document.write( "= 1.96*sqrt((1/4)(3/4)/200) = 1.96*sqrt(3/3200) = 0.06\r<BR>\n" );
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document.write( "I can help you with this kind of questions at: mthman@gmail.com\r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
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