document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=337369>Question 337369</A>: <I><SPAN STYLE=\"word-break: break-all;\"> IF A BAG CONTAINS RED, BLUE AND ORANGE MARBLES AND THE PROBABILITY OF GETTING A RED MARBLE IS 0.4 AND THE PROBABILITY OF GETTING A RED OR BLUE IS 0.9 WHAT IS THE PROBABILITY OF GETTING A RED OR ORANGE </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #242106 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=242106\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let R = the probability of getting a red ball, B the probability of getting a blue, and O the probability of getting an orange one.\r<BR>\n" );
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document.write( "Because you have to get something, the sum of the probabilities is R + B + O = 1.0<BR>\n" );
document.write( "You are given<BR>\n" );
document.write( "R = 0.4<BR>\n" );
document.write( "R + B = 0.9<BR>\n" );
document.write( "These two equations together give that B = 0.5<BR>\n" );
document.write( "Now that you know R and B, O must be equal to 0.1 for the sum of the probabilities to be 1.0<BR>\n" );
document.write( "So, then R + O = 0.5 <--answer.<BR>\n" );
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