document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=613299>Question 613299</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sample siae =400; sample mean = 44; sample standard deviation =16. what is the margin of error?\r<BR>\n" );
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document.write( "I have:  44-400/16=356/16=22.30\r<BR>\n" );
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document.write( "E=2.16/400=32/400=.2E-4 margin or error </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #385939 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=385939\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sample size = 400; sample mean = 44; sample standard deviation = 16. what is the margin of error?<BR>\n" );
document.write( "ME = z*s/sqrt(n) = 2.16*16/sqrt(400) = 1.728<BR>\n" );
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document.write( "Note: I'm using z = 2.16 because you did.<BR>\n" );
document.write( "You didn't post any level of confidence.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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