Math Problem Statement
Upah per jam pekerja memiliki rata-rata Rp.500,- perjam dan simpangan baku Rp.60,-. Berapa probabilitas bahwa upah rata-rata 50 pekerja yang merupakan sampel random akan berada diantara 510,- dan 520,- ?
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Normal Distribution
Central Limit Theorem
Formulas
Sample Standard Deviation Formula: σ_x̄ = σ / √n
Z-score Formula: Z = (X - μ) / σ_x̄
Theorems
Central Limit Theorem
Suitable Grade Level
College Level or Advanced High School Statistics
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