Math Problem Statement
The confidence interval estimate is
enter your response here
mi/hless than<sigmaσless than<enter your response here
mi/h.
(Round to one decimal place as needed.)
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Confidence Intervals
Chi-Square Distribution
Formulas
Confidence interval for standard deviation: ( sqrt((n - 1) * s^2 / χ²(α/2)), sqrt((n - 1) * s^2 / χ²(1 - α/2)) )
Theorems
Chi-Square Distribution for Confidence Intervals
Suitable Grade Level
Grades 11-12, College Introductory Statistics
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