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The distribution of a random variable X is as follows: X O 2 3 4 (X=x) 0.80 0.11 0.06 0.02 0.01 What is the mean

The distribution of a random variable X is as follows: X O 2 3 4 (X=x) 0.80 0.11 0.06 0.02 0.01 What is the mean of X? 1.57 1.25 O 2.00 1 0.33

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