document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159952>Question 1159952</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a certain class, 40 percent sign of students had a B average at midterm. Of these, 50 percent sign ended up with a course grade of B. Of those who did not have a B average at midterm, 40 percent sign ended up with a course grade of B. If one of the students in the class is selected at random and is found to have received a B for the course, what is the probability that the student did not have a B average at midterm?\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 #783084 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=783084\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Start with 100 students\r<BR>\n" );
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document.write( "=======B at midterm=====not B at midterm---Total\r<BR>\n" );
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document.write( "B for C====20---------------24---------------44<BR>\n" );
document.write( "no B======20--------------36---------------56<BR>\n" );
document.write( "Total======40--------------60--------------100\r<BR>\n" );
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document.write( "The probability that given a B (44), the likelihood of not having a B at midterm was 24/44 or 6/11 (54.5%) </SPAN>\n" );
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