We have a discrete random variable X, with cdf: Fx(x) = x³ / k where X can be any of the integral values x = 1, 2,..., 9 1. What is the value of k? 2. at x=5, what is P(X=x)? at x=6, what is P(X=x)? at x=7, what is P(X=x)? at x=8, what is P(X=x)?

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