Let X, Y be random variables and a, b scalars (numbers). Find the expected value E(a · X + b · Y), where ux = -3, µy = -6, a = 3, b = 1. Answer:

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Let X, Y be random variables and a, b scalars (numbers). Find the expected value
E(a · X+ b. Y), where ux = -3, µy = -6, a = 3, b = 1.
Answer:
Transcribed Image Text:Let X, Y be random variables and a, b scalars (numbers). Find the expected value E(a · X+ b. Y), where ux = -3, µy = -6, a = 3, b = 1. Answer:
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