A recent Gallup Poll interviewed a random sample of 1523 adults. Of these, 868 bought a lottery ticket in the past year. A 95% confidence interval for the proportion of all adults who bought a lottery ticket in the past year is (assume Gallup used a simple random sample) A. 0.57 ± 0.00016 B. 0.57 ± 0.03 C. 0.57 ± 0.025 D. 0.57 ± 0.013 E none of the above
A recent Gallup Poll interviewed a random sample of 1523 adults. Of these, 868 bought a lottery ticket in the past year. A 95% confidence interval for the proportion of all adults who bought a lottery ticket in the past year is (assume Gallup used a simple random sample) A. 0.57 ± 0.00016 B. 0.57 ± 0.03 C. 0.57 ± 0.025 D. 0.57 ± 0.013 E none of the above
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A recent Gallup Poll interviewed a random sample of 1523 adults. Of these, 868 bought a lottery ticket in the past year.
A 95% confidence interval for the proportion of all adults who bought a lottery ticket in the past year is (assume Gallup used a simple random sample) |
A. |
0.57 ± 0.00016 |
|
B. |
0.57 ± 0.03 |
|
C. |
0.57 ± 0.025 |
|
D. |
0.57 ± 0.013
|
|
E |
none of the above |
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