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Probability
Question

Two marbles are drawn randomly one after the other without replacement from a jar that contains $$7$$ red marbles, $$8$$ white marbles, and $$9$$ yellow marbles. Find the probability of the following events.

(a) A red marbles is drawn first followed by a white marble.

(b) A white marble is drawn first followed by a white marble.

(c) A yellow marble is not drawn at all.

(a) $$\frac{7}{69}$$
(b) $$\frac{7}{69}$$
(c) $$\frac{35}{92}$$