Suppose Y, a Poisson(0) as n → ∞. Binomial(n, 2) for n = 1,2, 3, .... Show that Yn converges in distribution to

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Suppose Y,
Binomial(n, 2) for n = 1,2, 3, .... Show that Yn converges in distribution to
a Poisson(0) as n → ∞.
Facts that may be useful:
• PMF of Binomial(n, p): f(x) = (C)p*(1 – p)"-- for x =
= 0, 1, . . , n
n-x
. MGF of Binomial(n, p): M(t) — (1 — р+ pе')"
• PMF of Poisson(^): ƒ(x) =
for x = 0, 1, 2, ...
• MGF of Poisson(A): M(t) = e^(e' –1)
Transcribed Image Text:Suppose Y, Binomial(n, 2) for n = 1,2, 3, .... Show that Yn converges in distribution to a Poisson(0) as n → ∞. Facts that may be useful: • PMF of Binomial(n, p): f(x) = (C)p*(1 – p)"-- for x = = 0, 1, . . , n n-x . MGF of Binomial(n, p): M(t) — (1 — р+ pе')" • PMF of Poisson(^): ƒ(x) = for x = 0, 1, 2, ... • MGF of Poisson(A): M(t) = e^(e' –1)
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