A book contains 2 blue, 3 red and 5 white balls of equal sizes. Two balls...

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A book contains 2 blue, 3 red and 5 white balls of equal sizes. Two balls are on picked at random; the first being replaced before the second is drawn, find the probability of drawing (a) a red or blue ball first (b) Two red balls (c) two blue (d) two balls of the same sizes. A book contains 2 blue, 3 red and 5 white balls of equal sizes. Two balls are on picked at random; the first being replaced before the second is drawn, find the probability of drawing (a) a red or blue ball first (b) Two red balls (c) two blue (d) two balls of the same sizes.

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