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# Math expected value

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Math Homework. The expected value informs about what to expect in an experiment "in the long run", after many trials. The weighted average formula for expected value is given by multiplying each possible value for the random variable. Expected Value. SEE: Expectation Value Explore thousands of free applications across science, mathematics, engineering, technology, business, art, finance. Sal walks through an example where he multiplies probability by values and sums to find expected value.
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