document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=305941>Question 305941</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jar contains two red and five yellow marbles. A marble is drawn at random and then without replacement, A second draw is made at random. Find the probability that the second marble is red given that the first is yellow.\r<BR>\n" );
document.write( "\n" );
document.write( "I have 2 out of 7 to represent the # of red marbles. And because there is no replacement, the second would be 5 out of 6. Using the Fundamental Counting Principal, I multiplied the two probabilities and got 10 out of 42. \r<BR>\n" );
document.write( "\n" );
document.write( "My teacher says the answer is 14 out of 42, though. I have to prove whether that statement is right or wrong. Did I do something wrong? Please explain. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219075 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=219075\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5/7 * 2/6 = 10/42 Probability of drawing a yellow and then a red one w/o replacement.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Find the probability that the second marble is red given that the first is yellow.<BR>\n" );
document.write( "The answer to this question is 2/6<BR>\n" );
document.write( ".<BR>\n" );
document.write( "In neither case is 14/42 correct.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );