document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=765252>Question 765252</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose  20 chips numbered 1-20 are put in abox.. Suppose a chip is drawn with replacement repeatedly. What is the probability that a prime (2,3,5,7) will be first taken on the 7th draw? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466096 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=466096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose 20 chips numbered 1-20 are put in a box.. Suppose a chip is drawn WITH REPLACEMENT repeatedly. <BR>\n" );
document.write( "What is the probability that a prime (2,3,5,7.11,13,17,19) will be first taken on the 7th draw?<BR>\n" );
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document.write( "Pattern::: nnnnnnp<BR>\n" );
document.write( "There are 8 primes and 12 non-prime numbers<BR>\n" );
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document.write( "P(1st prime on 7th draw) = (12/20)^6*(8/20) = (3/5)^6*(2/5) = 0.0187<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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