Math Problem Statement
A random sample of
6464
cans of soda is obtained and the contents are measured. The sample mean is
12.0312.03
oz and the standard deviation is
0.120.12
oz. Test the claim that the contents of all such cans have a mean different from
12.0012.00
oz, as indicated by the label. Use a 0.05 significance level.
Solution
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Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Normal Distribution
Z-test
Formulas
Z-test formula: z = (x̄ - μ) / (σ / √n)
Theorems
-
Suitable Grade Level
Advanced High School or College
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