(a) In probability explain what is meant by the term mutually exclusive. A box contains 20 components, 13 of type A and 7 of type B. (b) Two components are selected at random. List all the different combinations of type A and type B that can be drawn. You may use a table or a tree diagram if you want to. (c) If 2 components are selected at random calculate the probability that two components of the same type are selected.

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A: Introduction :

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