Concept explainers
To draw: The conclusion about the confidence interval using provided information.
Answer to Problem 1PT
95% of the samples are expected to lie with in ±3% of the value of the population.
Explanation of Solution
Given:
Number of people ( n ) = 1600
Margin of error = ±3%
Sample proportion = 18%
The margin of error is expected to remain same for all the confidence intervals because the
Hence, the correct option is (a).
Chapter 8 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Introductory Statistics (2nd Edition)
Elementary Statistics (13th Edition)
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Statistics: The Art and Science of Learning from Data (4th Edition)
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Essentials of Statistics (6th Edition)
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