document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1139247>Question 1139247</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A total of 500 Washburn students were surveyed about whether they lived on campus or not, and, what classes they were taking (among math, history, English).  The results were as follows; answer using un-simplified fractions:<BR>\n" );
document.write( "                                                       Math                            History                        English                 <BR>\n" );
document.write( "Live on campus                               130                                112                               88                       <BR>\n" );
document.write( "Do not live on campus                     77                                   43                               50                       <BR>\n" );
document.write( "                                                                                                                                               <BR>\n" );
document.write( "(A) A student is selected from this group; what is the probability that they do not live on campus, and are taking a history course?<BR>\n" );
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document.write( "(B) A student is selected from this group; what is the probability that they do not live on campus, or, are taking a math course?<BR>\n" );
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document.write( "(C) A student is selected from this group; what is the probability that they live on campus, given that they are taking a math course?     </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #757028 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=757028\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -------------Math History English total<BR>\n" );
document.write( "Live on campus 130 112---- 88-----330 <BR>\n" );
document.write( "Not on campus --77 43 -----50 ----170<BR>\n" );
document.write( "Total----------207--155---138-----500\r<BR>\n" );
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document.write( "a. Not on campus AND taking history is 43/500 or 8.6%<BR>\n" );
document.write( "b. Not on campus (170) and take math (207) -both (double counting) 77=300/500 or 60%<BR>\n" );
document.write( "c. Taking math (207) and live on campus (130) so that probability is 130/207 or 62.8% </SPAN>\n" );
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