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For the data set below, determine whether the data set represents a PMF. If not, state why not. X = -3 -1 0 1 3

For the data set below, determine whether the data set represents a PMF. If not, state why not.

X = -3 -1 0 1 3

f(x) = 0.24 0.19 0.45 0.30 0.02

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