document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=437548>Question 437548</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Based on a sample of 34 randomly selected years, a 90% confidence interval for the mean annual precipitation in one city is from 47.7 inches to 50.3 inches. Find the margin of error.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #302691 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=302691\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Based on a sample of 34 randomly selected years, a 90% confidence interval for the mean annual precipitation in one city is from 47.7 inches to 50.3 inches. Find the margin of error. <BR>\n" );
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document.write( "The width of the confidence interval is<BR>\n" );
document.write( "ALWAYS 2*ME.<BR>\n" );
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document.write( "Your Problem:<BR>\n" );
document.write( "2*ME = (50.3-47.7) = 2.6<BR>\n" );
document.write( "ME = 1.3<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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