Math Problem Statement

less than 7%

Solution

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Math Problem Analysis

Mathematical Concepts

Probability
Normal Approximation
Binomial Distribution

Formulas

np ≥ 10 and n(1 - p) ≥ 10 (for normal approximation)
Z = (X - μ) / σ (z-score formula)

Theorems

Central Limit Theorem
Normal Approximation to the Binomial

Suitable Grade Level

College level (Statistics)