document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=659076>Question 659076</A>: <I><SPAN STYLE=\"word-break: break-all;\"> From a pack of 52 cards, seven are taken at random, examined and replaced. The <BR>\n" );
document.write( "cards are shuffled and another seven are drawn at random. Find the probability that at <BR>\n" );
document.write( "least one card will be drawn twice.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410639 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=410639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From a pack of 52 cards, seven are taken at random, examined and replaced. The <BR>\n" );
document.write( "cards are shuffled and another seven are drawn at random. Find the probability that at <BR>\n" );
document.write( "P(least one card will be drawn twice) = 1 - (no card is picked twice)<BR>\n" );
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document.write( "= 1 - (1/52)^2<BR>\n" );
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document.write( "= 1 - (1/52)(51/52)<BR>\n" );
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document.write( "= 1 - 51/52^2<BR>\n" );
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document.write( "= 1 - 0.019<BR>\n" );
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document.write( "= 0.981<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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