SOLUTION: Two urns each contain green balls and blue balls. Urn I contains five green balls and two blue balls and Urn II contains two green balls and five blue balls. A ball is drawn from e

Question 477879: Two urns each contain green balls and blue balls. Urn I contains five green balls and two blue balls and Urn II contains two green balls and five blue balls. A ball is drawn from each urn. What is the probability that both balls are blue?
I don't understand how to work this.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Two urns each contain green balls and blue balls. Urn I contains five green balls and two blue balls and Urn II contains two green balls and five blue balls. A ball is drawn from each urn. What is the probability that both balls are blue?
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(2/7)(5/7) = 10/49
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Cheers,
Stan H.
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