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Author Question: Can you ever have 100% confidence about the estimator of a parameter? (Read 62 times)

Facerro

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on: Feb 26, 2023

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?

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(0.158, 0.442)


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(0.181, 0.419)


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(0.132, 0.469)


◦

(0.154, 0.446)



Question 2

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

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No; 99% is the limit.


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


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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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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Facerro

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Reply 2 on: Feb 26, 2023
Gracias!

jackie

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Reply 3 on: Yesterday
Wow, this really help

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