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September 18, 2014

September 18, 2014

Posted by **Anonymous** on Tuesday, February 5, 2013 at 2:06am.

- maths -
**Reiny**, Tuesday, February 5, 2013 at 8:49amconsider the result as 2 independent events

bag1, red

bag2, red

Prob(bag1,red) = (1/2)(4,7) = 2/7

prob(bag2,red) = (1/2)2/6) = 1/6

prob(your event) = 2/7 + 1/6 = 19/42

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