31. Bias in Jury Selection In the case of Casteneda v. Partida, it was found that during a period of 11 years in Hidalgo County, Texas, 870 people were selected for grand jury duty and 39% of them were Americans of Mexican ancestry. Among the people eligible for grand jury duty, 79.1% were Americans of Mexican ancestry. Use a 0.01 significance level to test the claim that the selection process is biased against Americans of Mexican ancestry. Does the jury selection system appear to be biased?
31. Bias in Jury Selection In the case of Casteneda v. Partida, it was found that during a period of 11 years in Hidalgo County, Texas, 870 people were selected for grand jury duty and 39% of them were Americans of Mexican ancestry. Among the people eligible for grand jury duty, 79.1% were Americans of Mexican ancestry. Use a 0.01 significance level to test the claim that the selection process is biased against Americans of Mexican ancestry. Does the jury selection system appear to be biased?
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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Transcribed Image Text:31. Bias in Jury Selection In the case of Casteneda v. Partida, it was found that during a
period of 11 years in Hidalgo County, Texas, 870 people were selected for grand jury duty
and 39% of them were Americans of Mexican ancestry. Among the people eligible for grand
jury duty, 79.1% were Americans of Mexican ancestry. Use a 0.01 significance level to test the
claim that the selection process is biased against Americans of Mexican ancestry. Does the jury
selection system appear to be biased?
Transcribed Image Text:Testing Claims About Proportions. In Exercises 9–32, test the given claim. Identify the
null hypothesis, alternative hypothesis, test statistic, P-value, or critical value(s), then state
the conclusion about the null hypothesis, as well as the final conclusion that addresses the
original claim. Use the P-value method unless your instructor specifies otherwise. Use the
normal distribution as an approximation to the binomial distribution, as described in Part 1
of this section.
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