2||0|75|0| 0|0|0|||||Drawing matches|Alexei|1|21:05:36|01/13/2011|The page on conditional probability calculates probabilities of drawing the short match. Among other things%2C there are several fraction divisions that go like this%3A%0D%0A1%2F5 %2F 5%2F6 %3D 1%2F6%0D%0Aand%0D%0A1%2F4 %2F 4%2F6 %3D 1%2F6%0D%0A%0D%0AThough the outcomes seem to agree with the meaning of the probabilities calculated%2C the arithmetic does not. %0D%0A%0D%0AAny thoughts%3F%0D%0A%0D%0Ahttp%3A%2F%2Fwww.cut-the-knot.org%2FProbability%2FConditionalProbability.shtml%0D%0A 1|1|0|||||RE%3A Drawing matches|alexb||23:44:07|01/13/2011|Thank you%2C Alexei.%0D%0A%0D%0AI do not know what I was thinking. Rather obviously the probabilities have to be multiplied. I%27ll need to redo that part.%0D%0A%0D%0AThank you again 2|2|1|||||RE%3A Drawing matches|alexb||07:53:22|01/14/2011|It%27s back up there.