Question: A bag contains 4 balls: 2 red, 1 white, and 1 green. Two balls are drawn without replacement. Find the probability that 2 different colors

A bag contains 4 balls: 2 red, 1 white, and 1 green. Two balls are drawn without replacement. Find the probability that 2 different colors are drawn, given that

(a) The first ball is not white.

(b) The first ball is green.

Use probability trees to find the probabilities of the indicated outcomes.

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