If X∼Poisson(λ)X \sim \text{Poisson}(\lambda)X∼Poisson(λ), what is the third central moment E[(X−λ)3]E[(X-\lambda)^3]E[(X−λ)3]?
λ\lambdaλ
λ2\lambda^2λ2
000
λ3\lambda^3λ3