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Do Homework -Edgar Antonyan Google Chrome Secure https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld Introduction to Statistics-Fall 2017 Web Homework: Hwk7-2 Score: 0 of 1 pt 7 of 13 (0 complete) | 7.2.26 Save RTHW Score: 0%, Question Help During a period of 11 years 738 of the people selected for grand jury duty were sampled, and 69% of them were immigrants Use the sample data to construct a 99% confidence interval estimate of the proportion of grand jury members who were immigrants Given that among the people eligible for jury duty, 671% of them were immigrants, does it appear that the jury selection process was somehow biased against immigrants? p(Round to three decimal places as needed)

Explanation / Answer

Margin of error = 2.5758*SQRT(0.69*0.31/738) = 0.043852

99% Interval

(0.69-0.043852, 0.69+0.0438352)

= (0.646, 0.734)

So, answer is

0.646<p<0.734

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