Question

How to derive this equation for expected value, please mention what rule it uses. Ex(Ex+1[x]) = E(x)​

Answer 1

Answer:

To find the expected value, E(X), or mean μ of a discrete random variable X, simply multiply each value of the random variable by its probability and add the products. The formula is given as E(X)=μ=∑xP(x).

Answer 2

Explanation:

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