document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=45363>Question 45363</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Five black balls numbered 1,2,3,4, and 5 and seven white balls numbered 1,2,3,4,5,6, and 7 are placed in an urn.  If one is chosen at random, what is the probability that it is numbered 5 or that it is white?  and What is the probability that it is numbered 5 given that it is white? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30098 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=30098\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Five black balls numbered 1,2,3,4, and 5 and seven white balls numbered 1,2,3,4,5,6, and 7 are placed in an urn. <BR>\n" );
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document.write( "If one is chosen at random, what is the probability that it is numbered 5 or that it is white? <BR>\n" );
document.write( "Prob(5 or white) = Prob(5) + Prob(white) - Prob(5 and white)<BR>\n" );
document.write( "=2/12 + 7/12 - 1/12 = 8/12= 2/3<BR>\n" );
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document.write( "What is the probability that it is numbered 5 given that it is white?<BR>\n" );
document.write( "Prob(5 given white) = [Prob(5 and white)]/[Prob(white)]<BR>\n" );
document.write( "=[1/12]/[7/12] = 1/7<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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