Determine if the following probability mass function (pmf) is legitimate. If it is not, identify x p(x) 0 0.20 2 -0.05 3 0.10 This is a legitimate pmf. This is not a legitimate pmf since cannot be negative. This is not a legitimate pmf since p(x) cannot be negative. p(x) > 1. This is not a legitimate pmf since This is not a legitimate pmf since p(x) < 1. This is not a legitimate pmf since p(x) = 1. 4 0.25 8 0.50

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