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QUESTION 4 (a) (a) Define: (i) Saddle point (1 mark) (b) Explain the difference between pure strategy and mixed strategy. (2 marks) (c)Two players P and Q play a game where each of them has to choose one of the three *colours white (W), black (B) and red (R) independently of the other. Thereafter the colours are compared. If both P and Q have chosen white (W, W) neither wins anything. If player P selects white, and a black (W, B), player P loses Rs 2 or player Q wins the same amount and so on. The complete payoff table is shown below. Find the optimum strategy for P and Q and the value of the game using the rules of dominance. (8 marks) Colour chosen by Q W B R W 0 1 -2 7 Colour chosen by P B 2 | 1 | 6 R. 3 -3 8