Justify whether or not each of the following tables represents the probability distribution of a random variable
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Justify whether or not each of the following tables represents the probability distribution of a random variable \(X\) :
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X P(X) -1 -2 72 47 0.26 0.45 -3 0.22 -4 0.07 X P(X) 0.21 0.20 0.22 0.20 0.23 0.20 0.24 0.20 0.25 0.20 X P(X) 0.245 0.16 1.25 0.18 2.89 -0.12 3.47 0.39 0.18 0.39
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