What is the expected value of the sum x + y equal to?
Explanation
The expected value operator is linear, which means the expected value of the sum of two random variables is the sum of their expected values. Therefore, E(x + y) = E(x) + E(y).
The expected value operator is linear, which means the expected value of the sum of two random variables is the sum of their expected values. Therefore, E(x + y) = E(x) + E(y).