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In developing countries in Africa and the Americas, let p1
Chapter 7, Problem 7E(choose chapter or problem)
PROBLEM 7E
In developing countries in Africa and the Americas, let p1 and p2 be the respective proportions of women with nutritional anemia. Find an approximate 0% confidence interval for p1 − p2, given that a random sample of n1 = 2100 African women yielded y1 = 840 with nutritional anemia and a random sample of n2 = 1900 women from the Americas yielded y2 = 323 women with nutritional anemia.
Questions & Answers
QUESTION:
PROBLEM 7E
In developing countries in Africa and the Americas, let p1 and p2 be the respective proportions of women with nutritional anemia. Find an approximate 0% confidence interval for p1 − p2, given that a random sample of n1 = 2100 African women yielded y1 = 840 with nutritional anemia and a random sample of n2 = 1900 women from the Americas yielded y2 = 323 women with nutritional anemia.
ANSWER:
Step 1 of 2
Given,
We have to determine the 90% confidence interval for