In 2003, an organization surveyed 1,500 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 1,500 adult Americans surveyed, 1,080 stated the United States made the right decision. In 2008, the organization asked the same question of 1,500 adult Americans and found that 580 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 (Round to three decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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In 2003, an organization surveyed 1,500 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 1,500 adult Americans
surveyed, 1,080 stated the United States made the right decision. In 2008, the organization asked the same question of 1,500 adult Americans and found that 580 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
(Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
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Transcribed Image Text:In 2003, an organization surveyed 1,500 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 1,500 adult Americans surveyed, 1,080 stated the United States made the right decision. In 2008, the organization asked the same question of 1,500 adult Americans and found that 580 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 (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. parts remaining Clear All Check Answer
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