document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937679>Question 937679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> tom takes 20 coins from a box, and he gets 12 red coins and 8 black coins. if the whole box contains 10000 coins, how many of them are black </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571098 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=571098\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Tom takes 20 coins from a box, and he gets 12 red coins and 8 black coins. if the whole box contains 10000 coins, how many of them are black<BR>\n" );
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document.write( "Based on empirical probability, p(black) = 8/20 = 2/5<BR>\n" );
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document.write( "Your Problem::<BR>\n" );
document.write( "# of black = (2/5)*10,000 = 4000<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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