nataliecat4543 nataliecat4543

24-01-2024
Mathematics

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Let x and y be two independent random variables such that e(x) = e(y) = 4 and var(x) = var(y) = 2. Let u = 3x - 2y. What are the values for e(u) and var(u)?
a) 2, 6
b) 6, 3
c) 8, 2
d) 10, 4

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