Math Problem Statement
Information from the American Institute of Insurance indicates the mean amount of life insurance per household in the United States is $104,000. This distribution follows the normal distribution with a standard deviation of $31,000.
Required: If we select a random sample of 42 households, what is the standard error of the mean? Note: Round your answer to the nearest whole number.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Sampling Distribution
Standard Error
Formulas
Standard error of the mean: SE = σ / √n
Theorems
Central Limit Theorem
Suitable Grade Level
Grades 10-12
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