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Author Question: It is known that the population variance equals 484. With a 0.95 probability, the sample size that ... (Read 57 times)

rubiosusy7

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on: Mar 25, 2023

Question 1

In order to use the normal distribution for interval estimation of μ when σ is known and the sample is very small, the population


◦

must be very large


◦

must have a normal distribution


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can have any distribution


◦

must have a mean of at least 1



Question 2

It is known that the population variance equals 484. With a 0.95 probability, the sample size that needs to be taken if the desired margin of error is 5 or less is


◦

25


◦

74


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189


◦

75

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by rubiosusy7 on Mar 25, 2023

ahardin89

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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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rubiosusy7

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Reply 2 on: Mar 25, 2023
Excellent

daiying98

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Reply 3 on: Yesterday
Gracias!

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