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Author Question: A confidence interval was used to estimate the proportion of statistics students who are female. A ... (Read 78 times)

nmorano1

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on: Feb 14, 2020

Question 1

A local men's clothing store is being sold. The buyers are trying to estimate the percentage of items that are outdated. They will choose a random sample from the 100,000 items in the store's inventory in order to determine the proportion of merchandise that is outdated. The current owners have never determined the percentage of outdated merchandise and cannot help the buyers. How large a sample do the buyers need in order to be 95% confident that the margin of error of their estimate is about 5%?
◦ 385
◦ 196
◦ 1537
◦ 769

Question 2

A confidence interval was used to estimate the proportion of statistics students who are female. A random sample of 72 statistics students generated the following confidence interval: Using the information above, what sample size would be necessary if we wanted to estimate the true proportion to within 3% using 99% reliability?
◦ 1842
◦ 1769
◦ 1831
◦ 1916
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by nmorano1 on Feb 14, 2020

juwms

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Reply #1 on: Feb 14, 2020
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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nmorano1

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Reply 2 on: Feb 14, 2020
Gracias!

bitingbit

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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