The expected value of the random variable X is:
Similarly, the expected value of X multiplied by another random variable Y would be:
If X and Y are independent, then:
Using the distributive property of summation, we get:
The expected value of the random variable X is:
Similarly, the expected value of X multiplied by another random variable Y would be:
If X and Y are independent, then:
Using the distributive property of summation, we get: