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Author Question: A recent survey indicates that the proportion of season ticket holders for the Virginia Tech ... (Read 122 times)

caca31

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on: Feb 26, 2023

Question 1

A random sample of size 25 taken from a normally distributed population resulted in a sample standard deviation of 0.93054. A 99% confidence interval for the population variance would be:

◦

(9.886, 45.559).


◦

(3.144, 6.750).


◦

(0.678, 1.449).


◦

(0.456, 2.102).



Question 2

A recent survey indicates that the proportion of season ticket holders for the Virginia Tech football team who renew their seats is approximately 0.80. Using this information, the sample size that is needed to estimate the true proportion who plan to renew their seats using 95% confidence with an error bound of 0.025 is:

◦

689.


◦

697.


◦

810.


◦

984.

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
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Marked as best answer by caca31 on Feb 26, 2023

romyclv

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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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caca31

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Reply 2 on: Feb 26, 2023
Wow, this really help

frankwu0507

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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