Calculate the expected value E(X) = Σ x_i · P(x_i) of a discrete random variable.
Calculate the expected value E(X) = Σ x_i · P(x_i) of a discrete random variable.
List of possible outcome values.
Corresponding probabilities (decimals or fractions).
The weighted average of all possible values a random variable can take.
How this calculator works
The weighted average of all possible values a random variable can take.
Common questions about this calculator
