Secure https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-42801 7 144

Question

Secure https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-42801 7 144&questionId;=10&flushed-false;&cld-4471494;&centerwin;=yes Sections DE/DEX_Introduction to Statistics Summer 2017 Heather Banks 7/14/17 10:28 PM Homework: Section 7.2 Homework Score: 0 of 1 pt 7.2.26 Save 11 of 25 (18 complete) Hw Score: 68%, 17 of 25 pts Question Help * During a period of 11 years 862 of the people selected for grand jury duty were sampled, and 63% of them were immigrants. Use the sample data to construct a 99% confidence interval estimate of the proportion of grand jury members who were mr grants. Given hat among the people eligible or jury duty, 66.5% o em were immigrants, does it appear hat the jury selection process was somehow biased against m m gram p

Explanation / Answer

The statistical software output for this problem is:

One sample proportion confidence interval:
p : Proportion of successes
Method: Standard-Wald

99% confidence interval results:

Hence,

99% confidence interval will be:

0.588 < p < 0.672

Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit p 543.06 862 0.63 0.01644438 0.58764208 0.67235792

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.