Sampling Distributions: The Gallup Poll has decided to increase the size of its random sample of Canadian voters from about 1500 people to about 4000 people right before an election. The poll is designed to estimate the proportion of Canadian voters who favor a new law banning smoking in public buildings. The effect of this increase is to 1. increase the variability of the estimate. 2. have no effect since the population size is the same. 3. reduce the variability of the estimate. 4. reduce the bias of the estimate. 5. increase the bias of the estimate.
Sampling Distributions: The Gallup Poll has decided to increase the size of its random sample of Canadian voters from about 1500 people to about 4000 people right before an election. The poll is designed to estimate the proportion of Canadian voters who favor a new law banning smoking in public buildings. The effect of this increase is to 1. increase the variability of the estimate. 2. have no effect since the population size is the same. 3. reduce the variability of the estimate. 4. reduce the bias of the estimate. 5. increase the bias of the estimate.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 9DE
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Sampling Distributions: The Gallup Poll has decided to increase the size of its random sample of Canadian voters from about 1500 people to about 4000 people right before an election. The poll is designed to estimate the proportion of Canadian voters who favor a new law banning smoking in public buildings. The effect of this increase is to
1. increase the variability of the estimate.
2. have no effect since the population size is the same.
3. reduce the variability of the estimate.
4. reduce the bias of the estimate.
5. increase the bias of the estimate.
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