Conditional Probabilityeasy
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A tree diagram shows two branches: Left (prob 1/3) with outcomes X (prob 0.8) or Y (prob 0.2), and Right (prob 2/3) with outcomes X (prob 0.6) or Y (prob 0.4). Given outcome Y, what is the probability the Left branch was taken?
A tree diagram shows two branches: Left (prob 1/3) with outcomes X (prob 0.8) or Y (prob 0.2), and Right (prob 2/3) with outcomes X (prob 0.6) or Y (prob 0.4). Given outcome Y, what is the probability the Left branch was taken?