document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1192544>Question 1192544</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A basket contains red, blue and green balls. One ball is to be chosen at random. The probability that the selected ball is blue is equal to five times the probability that the selected ball is green. If The probability that the chosen ball is green is the same as the probability that the chosen ball is red, find the probability that the chosen ball is blue or red. </SPAN>\n" );
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document.write( "The probability that the selected ball is blue is equal to five times the probability that the selected ball is green.<br><BR>\n" );
document.write( "So let P(green)=x; then P(blue)=5x.<br><BR>\n" );
document.write( "The probability that the chosen ball is green is the same as the probability that the chosen ball is red....<br><BR>\n" );
document.write( "So P(red)=x.<br><BR>\n" );
document.write( "The sum of the probabilities is 1:<br><BR>\n" );
document.write( "x+5x+x=1<BR>\n" );
document.write( "7x=1<BR>\n" );
document.write( "x=1/7<br><BR>\n" );
document.write( "So<BR>\n" );
document.write( "P(green) = 1/7<BR>\n" );
document.write( "P(blue) = 5/7<BR>\n" );
document.write( "P(red) = 1/7<br><BR>\n" );
document.write( "ANSWER: P(blue or red) = 5/7 + 1/7 = 6/7<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );