document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=749335>Question 749335</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a class of 24 students, two students are selected at random. Vanessa and Trudy are two students in this class. What is the probability that one of them is selected? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #455997 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=455997\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a class of 24 students, two students are selected at random. Vanessa and Trudy are two students in this class. What is the probability that one of them is selected?<BR>\n" );
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document.write( "P(neither is selected) 22C2/24C2<BR>\n" );
document.write( "P(both are selected) = 2C2/24C2<BR>\n" );
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document.write( "P(one of them is selected) 1 - {[22C2+2C2]/24C2} = 1 - 0.8406 = 0.1594<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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