A box contains 6 yellow balls, 4 white balls and 2 blue balls, all balls being similar in shape. A ball is picked at random...

A box contains 6 yellow balls, 4 white balls and 2 blue balls, all balls being similar in shape. A ball is picked at random without replacement and its colour noted. Use a tree diagram to determine the probability that at least one of the first two balls picked is blue.

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sharon kalunda answered the question on August 27, 2019 at 11:05

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