markiemark3775 markiemark3775

21-03-2024
Mathematics

contestada

Let X and Y be independent Bernoulli random variables both with parameter 1/2. Compute Var [X² XY Y²]. Hint: Since X and Y are independent, the covariance between any function of X and any function of Y is 0.
a. 1/8
b. 1/4
c. 1/2
d. 1

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