A bag contains 3 white balls and 5 black balls. An experiment consists of drawing three balls from the bag, one after the other and without replacement. Draw a tree diagram illustrating all the possible outcomes. Hence, or otherwise, find the probability that (a) no white ball is drawn, (b) at least one white ball is drawn, te) at least one black ball is drawn given that at least one white ball is drawn. 8 (i)

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