document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=271399>Question 271399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the probability of getting nine numbers that are all nines?<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 #198770 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=198770\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the probability of getting nine numbers that are all nines?<BR>\n" );
document.write( "P(one number that is all 9's) is unknown because we don't know<BR>\n" );
document.write( "how many digits there are in the number.<BR>\n" );
document.write( "If one digit, prob = 1/9<BR>\n" );
document.write( "If two digits, prob = 1/99<BR>\n" );
document.write( "if three digits, prob = 1/999<BR>\n" );
document.write( "etc.<BR>\n" );
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document.write( "Prob of getting 9 of them is the (prob of getting one)^9<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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