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For developing countries in Africa and the Americas, let p1 and p2 be the respectiveproportions of babies...

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Statistics

For developing countries in Africa and the Americas, letp1 and p2 be the respectiveproportions ofbabies with a low birth weight (below 2500 grams). A randomsampleof n1 = 2000 African women yielded y1 = 750with nutritional anemia anda random sample of n2 = 2000women from the Americas yielded y2 = 650 womenwithnutritional anemia. We shall test H0: p1 =p2 against the alternative hypothesisH1:p1 > p2 at α = 0.05.

1. What is the type of the test?

a) Right-tailed

b) Left-tailed

c) Two-tailed

2. Calculate Observed Test Statistic

3. Find the P-value of the test

4.Find the Critical Value of Critical Region of the Test

5. Draw Your Conclusion of the Test at α = 0.05

a) Fail to Reject H0

b) Reject H0

Answer & Explanation Solved by verified expert
4.5 Ratings (933 Votes)
Solution1Right tailed testbecause there is sign in H1 21 7502000 03752    See Answer
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