During a period of 11 years 2348 of the people selected for

During a period of 11 years 2348 of the people selected for grand jury duty were sampled, and 23%?

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, 45.2% 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.)

Does it appear that the jury selection process was somehow biased against immigrants?

___Yes, the confidence interval does not include the true percentage of immigrants.

___No, the confidence interval includes the true percentage of immigrants.

Solution

For 99% confidence interval margin of error =