Consider the following distribution of values for a discrete variable X: X = 0 1 2 3 4 P(X=x) = 0.1 0.1 0.1 U V What value of U will make this a proper probability distribution? A)0.1 B) 0.25 <------ ANSWER C) 0.1 D) Unable to Determine E) There is no value for U that will make this a probability distribution of a discrete random variable.