document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=879341>Question 879341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the mean and SD of a random sample of size 145 from a large population are 14.3 and 3.4, respectively. give an estimate of the maximum error for estimating u with 42% confidence </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #530755 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=530755\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sample of 145: m = 14.3 and SD = 3.4<BR>\n" );
document.write( "(100%-42%)/2 = 29%<BR>\n" );
document.write( "invNorm(.29) = .5534<BR>\n" );
document.write( "ME = .5534(3.4/(sqrt(145))= .16 (nearest one hundredth)<BR>\n" );
document.write( "CI: 14.3-ME < u <  14.3 + ME </SPAN>\n" );
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