Question: Urn 1 contains five white balls and three red balls. Urn 2 contains four white and six red balls. An urn is selected at random,

Urn 1 contains five white balls and three red balls. Urn 2 contains four white and six red balls. An urn is selected at random, and a ball is drawn at random from that urn. Find the probability that, if the ball selected is white, it came from urn 1.

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