et X1, ..., Xn is a sample from the population X ~Poi (2), then s the unbiased estimation of a; s not an unbiased estimate of 2; 3) Find the unbiased estimation of

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Pls help with below homework. 

Set X1, ., Xn is a sample from the population X ~Poi (2), then
(1)
is the unbiased estimation of 2;
(2)
X?
is not an unbiased estimate of 2;
(3) Find the unbiased estimation of
Transcribed Image Text:Set X1, ., Xn is a sample from the population X ~Poi (2), then (1) is the unbiased estimation of 2; (2) X? is not an unbiased estimate of 2; (3) Find the unbiased estimation of
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