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# A bag contains $$3$$ red balls, $$4$$ blue balls and $$1$$ yellow ball, all the balls being identical in shape and size. If a ball is taken out of the bag without looking into it; find the probability that the ball is red.

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#### The total number of balls in the bag $$= 3 + 4 + 1 = 8$$ ballsSo, the number of possible outcomes $$= 8 = n(S)$$Event of drawing a red ball $$= {R, R, R}$$So, $$n(E) = 3$$Thus, probability of drawing a red ball $$= n(E)/ n(S) = 3/8$$

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