document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=920171>Question 920171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> So we are working on sets and probability and I'm completely lost. HELP please! \r<BR>\n" );
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document.write( "Let U = {-8, -4, -2, 2, 5, 8, 10, 13, 17, 18}, A = {-8, -2, 5, 10, 17}, B = {-4, 2, 8, 13, 18}, and C = {-8, -4, 2, 5, 13, 17}. Find each set. (Enter &#8709; for the empty set.)<BR>\n" );
document.write( "(a)    C &#8745; Cc\r<BR>\n" );
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document.write( "Correct: Your answer is correct.<BR>\n" );
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document.write( "(b)    (A &#8745; C)c\r<BR>\n" );
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document.write( "(c)    A &#8746; (B &#8745; C)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #558189 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=558189\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do you know what &#8745; (intersection) and  &#8746; (union) are?\r<BR>\n" );
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document.write( "A &#8745; B := set of all elements that are in A *and* B\r<BR>\n" );
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document.write( "A &#8746; B := set of all elements that are in A *or* B (or both)\r<BR>\n" );
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document.write( "The lowercase c denotes \"complement\" in this case (relative to U, universe), i.e. X^c gives the set of elements in the universe U that are *not* in X.\r<BR>\n" );
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document.write( "Given these definitions, the problems are very straightforward. </SPAN>\n" );
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