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Author Question: A random sample of 53 observations was taken. The average in the sample was 90 with a variance of ... (Read 47 times)

acwiles

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on: Mar 25, 2023

A random sample of 53 observations was taken. The average in the sample was 90 with a variance of 400.

a.Construct a 98% confidence interval for μ.
b.Construct a 99% confidence interval for μ.
c.Discuss why the 98% and 99% confidence intervals are different.
d.What would you expect to happen to the confidence interval in Part a if the sample size was increased? Be sure to explain your answer.

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

gyvette

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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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acwiles

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

kalskdjl1212

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Reply 3 on: Yesterday
Wow, this really help

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