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If X is a discrete variable then

E(X) is the sum of x*Prob(X = x) where the summation is over all possible values of x.

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Q: How is the expected outcome determined in a discrete distribution?
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Uniform probability can refer to a discrete probability distribution for which each outcome has the same probability. For a continuous distribution, it requires that the probability of the outcome is directly proportional to the range of values in the desired outcome (compared to the total range).


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The expected value is what kind of aspect of how probability distribution is characterized?

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What is the expected outcome of a hypothesis?

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