2003, an organization surveyed 1,510 adult Americans and asked about a certain war, "Do you believe the United States made the right or wrong decision to use ilitary force?" Of the 1,510 adult Americans surveyed, 1,085 stated the United States made the right decision. In 2008, the organization asked the same question of 510 adult Americans and found that 570 believed the United States made the right decision. Construct and interpret a 90% confidence interval for the difference etween the two population proportions, P2003 - P2008- he lower bound of a 90% confidence interval is 0.313. Round to three decimal places as needed.) he upper bound of a 90% confidence interval is 0.369 . ound to three decimal places as needed.) terpret the 90% confidence interval for the difference between the two population proportions, P2003 - P2008 - Choose the correct answer below. O A. There is 90% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to use military force in the country is between the lower and upper bounds of the interval. O B. There is 10% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to use military force in the country is between the lower and upper bounds of the interval. O C. There is 90% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to use military force in the country is greater than the lower bound.
2003, an organization surveyed 1,510 adult Americans and asked about a certain war, "Do you believe the United States made the right or wrong decision to use ilitary force?" Of the 1,510 adult Americans surveyed, 1,085 stated the United States made the right decision. In 2008, the organization asked the same question of 510 adult Americans and found that 570 believed the United States made the right decision. Construct and interpret a 90% confidence interval for the difference etween the two population proportions, P2003 - P2008- he lower bound of a 90% confidence interval is 0.313. Round to three decimal places as needed.) he upper bound of a 90% confidence interval is 0.369 . ound to three decimal places as needed.) terpret the 90% confidence interval for the difference between the two population proportions, P2003 - P2008 - Choose the correct answer below. O A. There is 90% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to use military force in the country is between the lower and upper bounds of the interval. O B. There is 10% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to use military force in the country is between the lower and upper bounds of the interval. O C. There is 90% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to use military force in the country is greater than the lower bound.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:In 2003, an organization surveyed 1,510 adult Americans and asked about a certain war, "Do you believe the United States made the right or wrong decision to use
military force?" Of the 1,510 adult Americans surveyed, 1,085 stated the United States made the right decision. In 2008, the organization asked the same question of
1,510 adult Americans and found that 570 believed the United States made the right decision. Construct and interpret a 90% confidence interval for the difference
between the two population proportions, p2003 - P2008.
The lower bound of a 90% confidence interval is 0.313.
(Round to three decimal places as needed.)
The upper bound of a 90% confidence interval is 0.369.
(Round to three decimal places as needed.)
Interpret the 90% confidence interval for the difference between the two population proportions, p2003 - p2008. Choose the correct answer below.
O A. There is 90% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to
use military force in the country is between the lower and upper bounds of the interval.
O B. There is 10% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to
use military force in the country is between the lower and upper bounds of the interval.
O C. There is 90% confidence that the difference in the proportion of adult Americans from 2003 to 2008 who believe the United States made the right decision to
use military force in the country is greater than the lower bound.
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