Math Problem Statement
if the data are approximately normally distributed with mean $348 and standard deviation $80, what percent of the hotels have per day expenses greater than $260
Solution
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Math Problem Analysis
Mathematical Concepts
Normal Distribution
Z-score
Formulas
Z-score formula: z = (x - μ) / σ
Complement Rule: 1 - P(z)
Theorems
Empirical Rule
Standard Normal Distribution
Suitable Grade Level
Grades 9-12
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