document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1133438>Question 1133438</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The following data represents the age of 30 lottery winners.\r<BR>\n" );
document.write( "\n" );
document.write( "Given the frequency distribution for the data,\r<BR>\n" );
document.write( "\n" );
document.write( "Each column (left to right) is as follows: Age, Frequency, Relative Frequency, Cumulative Relative Frequency\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "[20,29]	1	0.0333	0.0333<BR>\n" );
document.write( "[30,39]	7	0.2333	0.2666<BR>\n" );
document.write( "[40,49]	4	0.1333	0.3999<BR>\n" );
document.write( "[50,59]	5	0.1667	0.5666<BR>\n" );
document.write( "[60,69]	9	0.3	0.8666<BR>\n" );
document.write( "[70,79]	3	0.1	0.9666<BR>\n" );
document.write( "[80,89]	1	0.0333	0.9999\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(a) What is the frequency of lottery winners of age between 19 and 40?\r<BR>\n" );
document.write( "\n" );
document.write( "(b) What percentage of lottery winners are 70 years or older?\r<BR>\n" );
document.write( "\n" );
document.write( "(c) What is the relative frequency of ages under 40?\r<BR>\n" );
document.write( "\n" );
document.write( "(d) What is the cumulative relative frequency of lottery winners younger than 50?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\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 #750668 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=750668\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a. For between 19-40, I have to assume it is 20-39, for there is no way to do 40 alone, but the 40s can be completely excluded. There are 8.<BR>\n" );
document.write( "b. 70 or older is 0.1333 or 4/30 or 13.3%<BR>\n" );
document.write( "c. under 40 age relative frequency is 8/30 or 0.2666<BR>\n" );
document.write( "d. is 0.4000 (there are 12 under 50 out of 30 altogether). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );