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Author Question: A 99% confidence interval for the population meanis found to be (84.76, 92.17). If we were to use ... (Read 144 times)

blkth103

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on: Feb 26, 2023

Question 1

A 95% confidence interval for the population proportion of professional tennis players who earn more than $2 million per year is found to be between 0.82 and 0.88. Given this information, the sample size that was used was approximately:

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545.


◦

382.


◦

233.


◦

387.



Question 2

A 99% confidence interval for the population meanμ is found to be (84.76, 92.17). If we were to use the same sample to construct a 95% confidence interval for this parameter, the 95% interval would be:

◦

wider than the 99% confidence interval.


◦

the same width as the 99% confidence interval.


◦

narrower than the 99% confidence interval.


◦

unrelated to the 99% confidence interval in terms of center and width.

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Marked as best answer by blkth103 on Feb 26, 2023

mgranuc

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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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blkth103

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Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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