document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1078878>Question 1078878</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mean federal income tax paid last year by a random sample of 34 persons selected from a city was $4327. Suppose the standard deviation of tax paid in this city is &#963; = $969. The 95% confidence interval for the population mean (rounded to two decimal places) is:\r<BR>\n" );
document.write( "\n" );
document.write( "The lower limit is $\r<BR>\n" );
document.write( "\n" );
document.write( "The upper limit is $<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #693277 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=693277\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The CI is z*sigma/sqrt(n)=1.96*969/sqrt (34)=325.72, round to $326.<BR>\n" );
document.write( "($4301, $4653) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );