Show work please You want to create a 95% confidence interval with a margin of error of no more than 0.05 for a population proportion. The historical data indicate that the population has remained constant at about 0.55. What is the minimum size random sample you need to construct this interval? 223 378 381. 324 380 If the sample size for the computation of a 1-population confidence interval were tripled, how would this change the confidence interval size? Triples the interval size Divides the interval size by 3. Mutliplies the interval size by 1.732. Divides the interval size by 1.732 Multiples the interval size by 9.
Show work please You want to create a 95% confidence interval with a margin of error of no more than 0.05 for a population proportion. The historical data indicate that the population has remained constant at about 0.55. What is the minimum size random sample you need to construct this interval? 223 378 381. 324 380 If the sample size for the computation of a 1-population confidence interval were tripled, how would this change the confidence interval size? Triples the interval size Divides the interval size by 3. Mutliplies the interval size by 1.732. Divides the interval size by 1.732 Multiples the interval size by 9.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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You want to create a 95% confidence interval with a margin of error of no more than 0.05 for a population proportion. The historical data indicate that the population has remained constant at about 0.55. What is the minimum size random sample you need to construct this interval?
- 223
- 378
- 381.
- 324
- 380
If the
- Triples the interval size
- Divides the interval size by 3.
- Mutliplies the interval size by 1.732.
- Divides the interval size by 1.732
- Multiples the interval size by 9.
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