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  3. consider the following results for independent sam

Consider the following results for independent samples taken from two populations. Sample 1 Sample 2 n1 = 500 n2 =...

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Question

Basic Math

Consider the following results for independent samples takenfrom two populations.

Sample 1Sample 2
n1 = 500n2 = 200
p1 = 0.44p2 = 0.31

a. What is the point estimate of the differencebetween the two population proportions (to 2decimals)?  

b. Develop a 90% confidence interval for thedifference between the two population proportions (to 4decimals).  
  to   

c. Develop a 95% confidence interval for thedifference between the two population proportions (to 4decimals).  
  to   

Answer & Explanation Solved by verified expert
3.7 Ratings (583 Votes)
a p1 p2 044 031 013 b The pooled sample proportionP p1 n1 p2 n2n1 n2 044 500 031 200500 200    See Answer
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