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Author Question: Can you ever have 100% confidence about the estimator of a parameter? (Read 59 times)

Facerro

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Question 1

An exit poll is conducted to estimate the proportion of voters who chose candidate A over candidate B. Out of 40 people surveyed, 12 indicated that they had voted for candidate A. What is a 95% confidence interval for the proportion of voters who chose candidate A?

(0.158, 0.442)


(0.181, 0.419)


(0.132, 0.469)


(0.154, 0.446)



Question 2

Can you ever have 100% confidence about the estimator of a parameter?

No; 99% is the limit.


Yes, if the sample is purely random and from a purely random population.


Yes, but only if you poll the entire population.


No; you would need an infinite sample size.



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Marked as best answer by Facerro on Feb 26, 2023

spicyzack

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Facerro

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Reply 2 on: Feb 26, 2023
:D TYSM


xthemafja

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Reply 3 on: Yesterday
Wow, this really help

 

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