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A discrete random variable, X, takes a value a E {1, 2, 3, 4} with a probability of x/10. It cannot take any other value.

A discrete random variable, X, takes a value a E {1, 2, 3, 4} with a probability of x/10. It cannot take any other value. What is P(X > 3)? Answer. What is E X]? Answer. What is E[1/ X]?

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