When students are presented with a complete probability distribution for a given random variable (𝑋), they can calculate
the expected value, 𝐸(𝑋), of the random variable. 𝐸(𝑋) is obtained from the following formula:
𝐸(𝑋) = ∑(Value of 𝑥) ∙ (Probability of that value) = ∑(𝑋 ∙ Probability of 𝑋)
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