The discrete random variable X can take only the values 0, 1, 2, 3, 4, 5. The probability distribution of X is given by P(X = 0) = P(X = 1) = P(X = 2) = a P(X = 3) = P(X = 4) = P(X = 5) = b P(X2 2) = 3P(X