Question: 5. Two dice are rolled once, one after the other. Let X denote the difference of the first and second numbers that appear. (a)

5. Two dice are rolled once, one after the other. Let X

5. Two dice are rolled once, one after the other. Let X denote the difference of the first and second numbers that appear. (a) Find the probability mass function of the random variable X. (b) Find and sketch cumulative distribution function of the random variable X.

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