Question: 8. Let X be a discrete random variable with probability mass function p given by Find the probability mass functions of the random variables Y

8. Let X be a discrete random variable with probability mass function p given by

X -1 0 1 p(x) 2/9 4/9 3/9 other values 0

Find the probability mass functions of the random variables Y = |X| and Z = X2.

X -1 0 1 p(x) 2/9 4/9 3/9 other values 0

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