Answered

Determine the Variance and Standard Deviation of each random variable. ​.

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Arlyntoveraviz

Answer:

• A Random Variable is a variable whose possible values are numerical outcomes of a random experiment.

• The Mean (Expected Value) is: μ = Σxp.

• The Variance is: Var(X) = Σx2p − μ2

• The Standard Deviation is: σ = √Var(X)