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    Exam 4: Discrete Random Variables and Probability Distributions
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    If X and Y Are Two Random Variables with σ<Sub>x</sub>
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If X and Y Are Two Random Variables with σx

Question 101

Question 101

True/False

If X and Y are two random variables with σx = 3.8,σy = 4.2,and Cov(X,Y)= -0.25,then Var(X + Y)= 31.58.

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