Math Problem Statement
What is the mean and standard deviation of the sample proportion where 320 out of 400 liked the product?
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Sample Proportion
Mean
Standard Deviation
Formulas
Sample proportion: \(\hat{p} = \frac{x}{n}\)
Mean of sample proportion: \(\mu_{\hat{p}} = p\)
Standard deviation of sample proportion: \(\sigma_{\hat{p}} = \sqrt{\frac{p(1-p)}{n}}\)
Theorems
Central Limit Theorem
Suitable Grade Level
Grades 10-12
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