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Author Question: Explain what we mean by saying a random variable is approximately normally ... (Read 183 times)

lidoalex

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on: Jun 24, 2018
Explain what we mean by saying a random variable is approximately normally distributed.

Question 2

A 98 confidence interval estimate for a population mean  is determined to be 75.38 to 86.52 . If the confidence level is reduced to 90, the confidence interval for :
 a. Becomes wider.
  b. Remains the same.
  c. Becomes narrower.
  d. None of these answers is correct.
Business Statistics ¦ Donnelly ¦ 2nd Edition
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FergA

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Reply #1 on: Jun 24, 2018
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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lidoalex

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Reply 2 on: Jun 24, 2018
Excellent

olderstudent

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Reply 3 on: Yesterday
Wow, this really help

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