GATE ME 2020 Set 1 — Question 45

NAT+2 / -0MediumRandom VariablesProbabilityEngineering MathematicsCorrelation & Covariance

Engineering Mathematics → Probability → Correlation & Covariance

Last updated 5 September 2026

Question

X

Var(Z) = Var(X + Y) = Var(X) + Var(Y) + 2 \cdot Cov(X, Y)

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Var(Z) = Var(X + Y) = Var(X) + Var(Y) + 2 \cdot Cov(X, Y)

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