document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=320804>Question 320804</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jar contains 15 orange marbles and 18 black marbles. 2 marbles are picked in <BR>\n" );
document.write( "sequence from the jar. Find the probability that the second marble is black, <BR>\n" );
document.write( "given the first marble is orange. (Assume that the first marble is not <BR>\n" );
document.write( "replaced.)<BR>\n" );
document.write( "PLease help!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #229710 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=229710\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A jar contains 15 orange marbles and 18 black marbles. 2 marbles are picked in <BR>\n" );
document.write( "sequence from the jar. Find the probability that the second marble is black, <BR>\n" );
document.write( "given the first marble is orange. (Assume that the first marble is not <BR>\n" );
document.write( "replaced.)<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "After one orange is removed, there are a total of 34 marbles, and<BR>\n" );
document.write( "18 of them are black)<BR>\n" );
document.write( "----------------------------------------<BR>\n" );
document.write( "P(black | orange) = 18/34 = 9/17 = 0.4118<BR>\n" );
document.write( "=============================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );