document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=782772>Question 782772</A>: <I><SPAN STYLE=\"word-break: break-all;\"> out of 20 students in a statistics class, 3 students are failing in the course. if 4 students from the class are picked up at random, what is the probability that one of the failing students will be among them. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #476542 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=476542\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A = Event of selection of at least one student from the group of 3 failed students<BR>\n" );
document.write( "A' = Event of selection of no student from the group of 3 failed students\r<BR>\n" );
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document.write( "P(A)=1-P(A') = 1 - 17C4/20C4 = 1 - 0.49 = 0.51 </SPAN>\n" );
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