What is an expected outcome in probability?

Answer 1

The expected outcome is the sum of (each possible occurrence times the probability of that occurrence).

For example, the expected outcome of rolling one die is:

1 * 1/6 + 2 * 1/6 + 3 * 1/6 + 4 * 1/6 + 5 * 1/6 + 6 * 1/6 = 3.5.