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Author Question: In order to estimate the average electric usage per month, a sample of 196 houses was selected, and ... (Read 70 times)

sreghbsidhgjbndskijgnio

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on: Mar 25, 2023

In order to estimate the average electric usage per month, a sample of 196 houses was selected, and their electric usage determined.

a.Assume a population standard deviation of 350-kilowatt hours. Determine the standard error of the mean.
b.With a 0.95 probability, determine the margin of error.
c.If the sample mean is 2,000 KWH, what is the 95% confidence interval estimate of the population mean?

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

wangyichun

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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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sreghbsidhgjbndskijgnio

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

flexer1n1

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Reply 3 on: Yesterday
Excellent

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