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Author Question: The sample size needed to provide a margin of error of 2 or less with a .95 probability when the ... (Read 65 times)

Rafic Kaaki

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on: Mar 25, 2023

Question 1

The following random sample from a population whose values were normally distributed was collected.

10121816


The 80% confidence interval for μ is


◦

12.054 to 15.946


◦

10.108 to 17.892


◦

10.321 to 17.679


◦

11.009 to 16.991



Question 2

The sample size needed to provide a margin of error of 2 or less with a .95 probability when the population standard deviation equals 11 is


◦

10


◦

11


◦

116


◦

117

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Rafic Kaaki on Mar 25, 2023

psuniv

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Reply #1 on: Mar 25, 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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Rafic Kaaki

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

Animal_Goddess

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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