(a) What is the point estimate of the difference between the two population proportions? (b) Develop a 90% confidence interval for the difference between the two population proportions. (c) Develop a 95% confidence interval for the difference between the two population proportions.
(a) What is the point estimate of the difference between the two population proportions? (b) Develop a 90% confidence interval for the difference between the two population proportions. (c) Develop a 95% confidence interval for the difference between the two population proportions.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Question
Consider the following results for independent samples taken from two populations.
Sample 1 | Sample 2 |
---|---|
n1 = 400
|
n2 = 300
|
p1 = 0.56
|
p2 = 0.38
|
(a)
What is the point estimate of the difference between the two population proportions?
(b)
Develop a 90% confidence interval for the difference between the two population proportions.
(c)
Develop a 95% confidence interval for the difference between the two population proportions.
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