Concept explainers
To construct: and interpret a 95 percent interval for
Answer to Problem 26E
(0.0175, 0.3075)
Explanation of Solution
Given:
Formula used:
Sample proportion
Confidence interval for
Lower part is
Upper part is
Calculation:
Sample proportion
For confidence interval
Confidence interval for
By calculating the proportion difference, it is 95 percent confident that the proportion difference is between 0.0175 and 0.3075
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
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