Conditional Probabilityhard
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Two urns contain colored balls. Urn has 3 red and 7 blue balls. Urn has 8 red and 2 blue balls. A fair die is rolled. If the outcome is 1 or 2, we choose Urn ; otherwise, Urn . If a ball is drawn and is found to be red, what is the probability it was drawn from Urn ?
Two urns contain colored balls. Urn has 3 red and 7 blue balls. Urn has 8 red and 2 blue balls. A fair die is rolled. If the outcome is 1 or 2, we choose Urn ; otherwise, Urn . If a ball is drawn and is found to be red, what is the probability it was drawn from Urn ?