For developing countries in Africa and the Americas, let p1 and p2 be the respective proportions of
Question:
(a) Define a critical region that has an α = 0.05 significance level.
(b) If respective random samples of sizes n1 = 900 and n2 = 700 yielded y1 = 135 and y2 = 77 babies with a low birth weight, what is your conclusion?
(c) What would your decision be with a significance level of α = 0.01?
(d) What is the p-value of your test?
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a z p p 2 p 1 p 1n 1 1 n 2 1645 b ...View the full answer
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Related Book For 
Probability and Statistical Inference
ISBN: 978-0321923271
9th edition
Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman
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