A polling organization has been hired to conduct a survey to determine the proportion of people who are likely to support an upcoming ballot initiative. To help determine the size of the sample required for the main poll, a preliminary poll of 20 people is taken that yields the results below. (Yes indicates that the person will support the initiative, No indicates that they won't.) No Yes No No Yes No No Yes No No No Yes No Yes Yes No No Yes Yes Yes No Yes No No No Yes No No Yes Yes No No No Yes Yes No Yes Yes No Yes Based on the results of the peliminary poll, how large a sample is required for the main poll, assuming that the main poll should have a margin of error of 3.1% and a confidence level of 96.5%.
A polling organization has been hired to conduct a survey to determine the proportion of people who are likely to support an upcoming ballot initiative. To help determine the size of the sample required for the main poll, a preliminary poll of 20 people is taken that yields the results below. (Yes indicates that the person will support the initiative, No indicates that they won't.) No Yes No No Yes No No Yes No No No Yes No Yes Yes No No Yes Yes Yes No Yes No No No Yes No No Yes Yes No No No Yes Yes No Yes Yes No Yes Based on the results of the peliminary poll, how large a sample is required for the main poll, assuming that the main poll should have a margin of error of 3.1% and a confidence level of 96.5%.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 10E
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A polling organization has been hired to conduct a survey to determine the proportion of people who are likely to support an upcoming ballot initiative. To help determine the
No Yes No No Yes No No Yes No No No Yes No Yes Yes No No Yes Yes Yes No Yes No No No Yes No No Yes Yes No No No Yes Yes No Yes Yes No Yes
Based on the results of the peliminary poll, how large a sample is required for the main poll, assuming that the main poll should have a margin of error of 3.1% and a confidence level of 96.5%.
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