document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=611983>Question 611983</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the formula for this problem:\r<BR>\n" );
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document.write( "A class contains 10 students enrolled in JAVA and 20 students in C++. Half of the students in JAVA and half of the students in C++ are enrolled in Statistics. Find the probability that a student chosen at random is enrolled in C++ or enrolled in Statistics.\r<BR>\n" );
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document.write( "I have tried solving this by using the Addition Rule in statistics,<BR>\n" );
document.write( "20/30 + 15/30 - 10/30 = 25/30\r<BR>\n" );
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document.write( "Is this correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #385239 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=385239\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Yes, that is right, but there is a simpler way to get the answer.  Look at the complement of your successful outcome.  If your successful outcome is C++ or Statistics, then the complement is neither C++ nor Statistics.  The only group that fits the complement set is the half of the Java students who are NOT taking Stat.  That is 5/30 and 1 - 5/30 = 25/30.  N'est-ce pas?\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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