Math Problem Statement
the sample proportion \hat{\pi} for a random sample of 60 US adults regarding whether they have not read a book in any format in the past 12 months is approximately normally distributed with a mean of 0.23 and a standard deviation of approximately 0.0543.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Sample Proportion
Normal Distribution
Formulas
Standard Error for Proportion: SE = sqrt( (p(1-p)) / n )
Z-score formula for proportions: Z = (\hat{\pi} - p) / SE
Theorems
Central Limit Theorem
Normal Approximation to Binomial Distribution
Suitable Grade Level
Undergraduate Statistics or Advanced High School
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