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quickly please. f(x) = (8/7) (1/2 ) x x = 1,2, and 3, is the probability function for the random variable X. Compute P [

quickly please.

f(x) = (8/7) (1/2 ) x x = 1,2, and 3, is the probability function for the random variable X. Compute P [ X = 1 or X > 2.5]

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