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hi, please help this probability questions with steps, thankss you The discrete random variable X has the following probability mass function: P(x) = kx, x

hi, please help this probability questions with steps, thankss you
The discrete random variable X has the following probability mass function: P(x) = kx, x = -3,-2, -1,0, 1, 2,3, where k is a constant . (a) Complete the following table (show your answers in terms of A): X 2 P(x) Hence, determine the value of the constant, k. [5] (b) Find E (X). [2]

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