Let X1,..., Xn be iid with geometric distribution P(X = x) = (1 - )x-1, x =
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Pθ(X = x) = θ(1 - θ)x-1, x = 1, 2,..., 0 < θ < 1.
Show that ∑Xi is sufficient for θ, and find the family of distributions of ∑Xi. Is the family complete?
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...
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