Question: 3. Let X be a discrete random variable. Its probability mass function is displayed in the following table. Give the mean of X? 0 1

3. Let X be a discrete random variable. Its probability mass

3. Let X be a discrete random variable. Its probability mass function is displayed in the following table. Give the mean of X? 0 1 2 3 4 P(X = x) 0.80 0.11 0.06 0.02 0.01

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