(a) Assume Y₁, Y2,..., Ye are independent Poisson(₁). Let n= Ei Yi. Show Y = (Y₁, Y2,...,Y)'n~ Multinomial(n, π), where = (1, 72,..., Te)' with T₁ = for i=1,..., c. (b) Assume Y = (Y₁, Y2,...,Y)'n~ Multinomial (n,r) and n~ Poisson (₁ + μ₂- ...+e), show that the unconditional distribution of Y is a product of independen Poisson distributions. Hi μ1+₂+...+c

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 78E
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2. (a) Assume Y₁, Y2,..., Ye are independent Poisson (ui). Let n = EY₁. Show
=1
Y = (Y₁, Y2,..., Y)'\n~ Multinomial(n, π),
for i = 1,..., c.
(b) Assume Y = (Y₁, Y2₁. Yc)'n Multinomial (n.) and n~ Poisson(₁+μ₂ +
...+e), show that the unconditional distribution of Y is a product of independent
Poisson distributions.
where =
(71, 72,..., Te)' with T₂ =
fi
μ1+₂+...+μc
Transcribed Image Text:2. (a) Assume Y₁, Y2,..., Ye are independent Poisson (ui). Let n = EY₁. Show =1 Y = (Y₁, Y2,..., Y)'\n~ Multinomial(n, π), for i = 1,..., c. (b) Assume Y = (Y₁, Y2₁. Yc)'n Multinomial (n.) and n~ Poisson(₁+μ₂ + ...+e), show that the unconditional distribution of Y is a product of independent Poisson distributions. where = (71, 72,..., Te)' with T₂ = fi μ1+₂+...+μc
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