Red Yellow
December 25th, 2007, Posted in Cowboy Hats & Cowboy Belts
What fraction of the ball is not red and not yellow?
An urn contains 18 blue balls, 12 green marbles, 10 yellow balls, 6 balls white and 6 red balls. What fraction of the ball is not red and not yellow? Is it just 1 – [(red + yellow) / 52] = 9 / 13? Thank you.
Yes, because no R and Y is not the same as not (R or Y). In set theory and logic of the rule called Morgan.
Alberto Aquilani – Black, Red, Yellow – Esoesgallo
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