Let X1,...,Xn be iid Poisson(), and let have a gamma(, ) distribution, the conjugate family for

Question:

Let X1,...,Xn be iid Poisson(λ), and let λ have a gamma(α, β) the conjugate family for the Poisson.
a. Find the posterior of λ.
b. Calculate the posterior mean and variance.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...