document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981097>Question 981097</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a lottery, 10 Ping-Pong balls (each with a digit 0-9) are placed in hopper.  One ball is selected and that digit goes in first place. That ball is NOT put back in the hopper and the process is repeated 3 more times. What is the probability of picking the winning 4-digit number?\r<BR>\n" );
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document.write( "Thanks in advance! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602123 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=602123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Probability of first is (1/10)<BR>\n" );
document.write( "second is (1/9)<BR>\n" );
document.write( "Third is (1/8)<BR>\n" );
document.write( "Fourth is (1/7)<BR>\n" );
document.write( "The joint probability is their product, or 1/5040. </SPAN>\n" );
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