Draw a suitable tree diagram

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There are two ums. The first urn contains 2 black bails and 3 white balls. The second urn contains 4 black balls and 3 white balls. An urn is chosen at random, and a ball is chosen random from that urn.

a) Draw a suitable tree diagram,

b) Assign probabilities and conditional probabilities to the branches of the tree.

c) Calculate the probability that the ball drawn is black.

Reference no: EM131796769

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