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  3. determine if the following could be a probability

Determine if the following could be a probability distribution for a discr random variable X...

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Determine if the following could be a probability distribution for a discr random variable X If no state why X P X x 3 4 9 2 9 1 9 12 1 9 15 1 9 No the probabilities do not add up to 1 Yes the values of X are all positive No the values of X do not start at 1 and the probabilities do not add up to 1 Yes the probabilities associated with each X are all positive and they all add up

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