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5) Determine whether the distribution represents a probability distribution. If not, identify any requirements that are not satisfied. X P(x) -0.5 6 0.1 9 0.4

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5) Determine whether the distribution represents a probability distribution. If not, identify any requirements that are not satisfied. X P(x) -0.5 6 0.1 9 0.4 12 0.25 6) At a raffle, 1000 tickets are sold at $5 each for three prizes valued at $480, $120, and $40. What is the expected value of one ticket? X P(x)

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