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Author Question: A city planner wants to construct a confidence interval for the proportion of workers who would take ... (Read 1033 times)

dollx

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on: Aug 30, 2019

Question 1

Which is true about the sampling distribution of a statistic with sample size n?
I. The sampling distribution of the statistic will be approximately normal.
II. The spread of the sampling distribution is smaller when n is larger.
III. It is the set of possible values of the statistic from every possible sample of size n from the population.
◦ II only
◦ III only
◦ I, II, and III
◦ II and III
◦ I only

Question 2

A city planner wants to construct a confidence interval for the proportion of workers who would take public transportation to work if it were available. What sample size should he use to estimate the proportion to within 4 percentage points at a 90% level of confidence?
◦ 601
◦ 30
◦ 218
◦ 423
◦ 842
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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Marked as best answer by dollx on Aug 30, 2019

debra928

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Reply #1 on: Aug 30, 2019
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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Tea Em

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Reply #2 on: Apr 2, 2020
Thank you!


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