Math Problem Statement
Stoaches are fictional creatures that feed on funistrada.
According to Wikipedia, adult stoach weights are normally distributed, with a mean of 432 g and a standard deviation of 43 g.
You weigh a random sample of 73 stoaches, and find a sample mean weight of 433.2 g.
Assume Wikipedia is correct about the standard deviation. What is the 𝑝𝑝-value for a two-sided hypothesis test that Wikipedia is also right about the mean weight? (Give your answer to 4 decimal places.)
Solution
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Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Normal Distribution
Sample Mean
Formulas
Z-score formula
Theorems
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Suitable Grade Level
Advanced High School or College
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