document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155506>Question 1155506</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Two marbles are drawn one after the other with replacement from a bag that contains:<BR>\n" );
document.write( "9 red marbles, 8 blue marbles, and 3 green marbles.<BR>\n" );
document.write( "Find the probability of the following events.\r<BR>\n" );
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document.write( "(a) One red marble and one green marble are drawn in either order.<BR>\n" );
document.write( "The probability is : \r<BR>\n" );
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document.write( "(b) Two blue marbles are drawn.<BR>\n" );
document.write( "The probability is : \r<BR>\n" );
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document.write( "(c) At least one marble is drawn that is not blue.<BR>\n" );
document.write( "The probability is : \r<BR>\n" );
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document.write( "(d) The second marble is green if we know that the first marble is green.<BR>\n" );
document.write( "The probability is:  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778610 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=778610\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two ways RG GR. 9/20*3/19 or 3/20*9/19. it is 54/380=0.1421\r<BR>\n" );
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document.write( "BB is 8/20*7/19=56/380=0.1474\r<BR>\n" );
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document.write( "For at least one marble, it is 1-0.1474=0.8526, since the only chice that doesn't work are both blues.\r<BR>\n" );
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document.write( "If the first marble is green, the second has 2/19 probability or 0.1053 </SPAN>\n" );
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