Question

If X is a random variable and K is a constant, then E(X+K) =?​

Answer 1

If X is a random variable and K is a constant, then E(X + K) = E(X) + K

Given :

X is a random variable and K is a constant

To find :

The value of E(X + K)

Formula :

E(K) = K where K is constant

Solution :

Step 1 of 2 :

Write down the given data

Here it is given that X is a random variable and K is a constant

Step 2 of 2 :

Find the value

E(X + K)

= E(X) + E(K)

= E(X) + K

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