Math Problem Statement
Suppose that shoe sizes of america women have a bell-shaped distribution with a mean of 8.47 and a standard deviation of 1.5. Using the empirical rule, what percentage of American women have shoe sizes that are between 5.47 and 11.47?
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Normal Distribution
Empirical Rule
Formulas
Empirical Rule: 68-95-99.7
Standard deviation calculation: mean ± n × standard deviation
Theorems
Empirical Rule (68-95-99.7 rule)
Suitable Grade Level
Grades 9-12
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