
Concept explainers
Explain confidence interval and the confidence level if the population proportion is from 10.9 to 26.5.

Answer to Problem 15E
For population
Explanation of Solution
Given Information:
Confidence interval = 95%
Population mean = 10.9 to 26.5
Confidence interval is a specified
Hence, for population mean from 10.9 to 26.5 the confidence interval and the confidence level are 95%.
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