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8 Let X be a discrete random variable with probability distribution: If E(x)=0.4, then p(x20) is: * (2 Points) -1 0 X=x PIX=x 1 2

8 Let X be a discrete random variable with probability distribution: If E(x)=0.4, then p(x20) is: * (2 Points) -1 0 X=x PIX=x 1 2 0.3 a 0.1 0.6 0.5 0.3 0.2

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