Probability theory
Expected value
Expected values of discrete variables and standard distributions.
Probability theory
Expected value of two outcomes
E[X]=px₁+(1−p)x₂→Probability theoryExpectation and variance from lists
Expectation and variance from lists: calculated from the entered values→Probability theoryExpected value of three outcomes
E[X]=p₁x₁+p₂x₂+(1−p₁−p₂)x₃→Probability theoryBinomial expected value
E[X]=np→Probability theoryPoisson expected value
E[X]=λ→Probability theoryExpected value of linear transform
E[aX+b]=aE[X]+b→