document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1094705>Question 1094705</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A reasearch team estimates that 30% of their questionnaires will not be returned. How many questionnaires should they mail out in order to be reasonably certain that at least 750 will be returned?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #709253 by </B><A HREF=/tutors/aboutme.mpl?userid=basharat18><B>basharat18(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=basharat18><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=709253\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> %age of questionnaires will not be returned = 30%<BR>\n" );
document.write( "%age of questionnaires returned = 70%<BR>\n" );
document.write( "no of questionnairs returned = 750 <BR>\n" );
document.write( "also we know that <BR>\n" );
document.write( " (no. of question returned)<BR>\n" );
document.write( "___________________________   * 100  = 70% (given)<BR>\n" );
document.write( " total number of question sent <BR>\n" );
document.write( " <BR>\n" );
document.write( "therefore total number of question sent = (750*100)/70 <BR>\n" );
document.write( "                                        =  1072 (atleast) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );