document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=47514>Question 47514</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Six blue books and three red books in a bag. If three (3) books are selected and replaced. Find the probability that at least one is red. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #31362 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=31362\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Six blue books and three red books in a bag. If three (3) books are selected and replaced. Find the probability that at least one is red.\r<BR>\n" );
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document.write( "Prob(at least one red) = 1 - Prob(none red)<BR>\n" );
document.write( "Prob( none red) = Prob (blue,blue,blue)= (6/9)^3=0.296...<BR>\n" );
document.write( "Therefore Prob (at least one red) = 1-0.296...=0.70...<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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