document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937341>Question 937341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A random sample of 61 students was asked how much they spent for classroom textbooks this semester. The sample standard deviation was found to be s = $28.70. How many more students should be included in the sample to be 99% confident that the sample mean amount spent for textbooks this semester is within $7.00 of the population mean amount spent for textbooks this semester at this college?\r<BR>\n" );
document.write( "\n" );
document.write( "I am not sure how to solve this question to within $7 of the mean. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #618718 by </B><A HREF=/tutors/aboutme.mpl?userid=stinktrap><B>stinktrap(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stinktrap><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=618718\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );