Question: The discrete random variable X has probability distribution X 2 3 4 and mean 2. p(x) 0.3 0.45 a b (a) Find two equations in

The discrete random variable X has probability distribution X 2 3 4 and mean 2. p(x) 0.3 0.45 a b (a) Find two equations in a and b. N (b) Hence find the values of a and b. 2

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