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Author Question: A population has a standard deviation of 16. If a sample of size 64 is selected from this ... (Read 52 times)

cyc028

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on: Mar 25, 2023

Question 1

A population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is


◦

0.0347


◦

0.7200


◦

0.9511


◦

8.3600



Question 2

A population has a standard deviation of 16. If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within 2 of the population mean?


◦

0.6826


◦

0.3413


◦

-0.6826


◦

Since the mean is not given, there is no answer to this question.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by cyc028 on Mar 25, 2023

FireandIce

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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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cyc028

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

kjohnson

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Reply 3 on: Yesterday
Wow, this really help

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