One of two Urns is picked at random (equally likely). Urn 1 has 3 black marbles and 7 red marbles. Urn 2 has 8 black mar

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answerhappygod
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One of two Urns is picked at random (equally likely). Urn 1 has 3 black marbles and 7 red marbles. Urn 2 has 8 black mar

Post by answerhappygod »

One of two Urns is picked at random (equally likely). Urn 1 has
3 black marbles and 7 red marbles. Urn 2 has 8 black marbles and 2
red marbles. If a black marble is chosen from the selected Urn,
what is the probability that the selected Urn is Urn 1?
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