An urn contains 6 red and 5 blue ball...

An urn contains 6 red and 5 blue balls. Two balls are drawn at random with replacement. Find the probability of getting (i) 2 red balls (ii) 2 blue balls (iii) one red and one blue ball

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An urn contains 7 red and 4 blue balls.Two balls are drawn at random with replacement. Find the probability of getting (a) 2 red balls (b) 2 blue balls (c) one red and one blue ball.

An urn contains 4 red and 7 black balls. Two balls are drawn at random with replacement. Find the probability of getting i. 2 red balls, ii. 2 black balls, iii. One red and one black ball.

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A box contains 3 red and 5 blue balls.Two balls are drawn one by one at as time at random without replacement.Find the probability of getting 1 red and 1 blue ball.

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A bag contains 7 red balls and 6 green halls,A ball is drawn at random from the bag.Find the probability of getting (i) a red ball (ii) a green ball (iii) a black ball (iv) a coloured ball.

An urn contains 8 red and 5 white balls. Three balls are drawn at random. Then, the probability that balls of both colours are drawn, is

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