document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=732082>Question 732082</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello if you could help me with this I'd appreciate it. This is what I have so far, but I don't know how to determine the probability that it is NOT containing the letter G. I've found the odds. What am I missing?\r<BR>\n" );
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document.write( "For example, there are balls marked b1, b2, up to b15; i16, i17, up to i30; and so on. Assuming one bingo ball is selected at random, determine the probability against it containing the letter G.\r<BR>\n" );
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document.write( "Total G  balls =15<BR>\n" );
document.write( "Total Non-G balls=60<BR>\n" );
document.write( "Total number of balls=75<BR>\n" );
document.write( "60/75<BR>\n" );
document.write( "15/75<BR>\n" );
document.write( "60/75*15/75=60/15<BR>\n" );
document.write( "60/15=4/1<BR>\n" );
document.write( "Odds against it being the G ball =4:1 </SPAN>\n" );
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document.write( "On a single draw the probability against it containing G, aka the probability of not G, is   (# of balls that aren't G)/(total number of balls) = 60/75 = 4/5 = 80%.<BR>\n" );
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