Question: Which table represents a probability distribution? X 1 2 3 4 P 0.2 0.4 0.4 0.2 X -1 1 3 4 P -0.1 0.2 0.5

Which table represents a probability distribution?

X 1 2 3 4
P 0.2 0.4 0.4 0.2
X -1 1 3 4
P -0.1 0.2 0.5 0.4
X -1 1 3 4
P 0.1 0.2 0.3 0.4
X -10 0 3 4
P 0.2 0.25 0.25 0.3

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