Math Problem Statement
According to the U.S. Census Bureau, the mean of the commute time to work for a resident of New Orleans, Louisiana is 25.8 minutes. Assume that the standard deviation of the commute time is 6.3 minutes to complete parts (a) through (c).
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Normal Distribution
Z-Scores
Probability
Formulas
Z-score formula: z = (x - μ) / σ
Standard normal distribution probabilities
Theorems
68-95-99.7 Rule (Empirical Rule)
Properties of Normal Distribution
Suitable Grade Level
Grades 10-12
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