Computer Sciences > GATE 2024 Set-2 > Probability
Let x and y be random variables, not necessarily independent, that take real values in the interval. Let z = xy and let the mean values of x, y, z be x̅, ȳ, z̅ respectively. Which one of the following statements is TRUE?
A
z̅ = x̅ȳ
B
z̅ ≤ x̅ȳ
C
z̅ ≥ x̅ȳ
D
z̅ ≤ x̅

Explanation

Correct : b

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