Math Problem Statement
suatu sampel random diambil sebanyak 60 dari populasi yang memiliki rata rata 45 dan standar deviasi 12. hitunglah probabilitas suatu sampel yang nilainya terletak antara 42-46
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Normal Distribution
Standard Normal Distribution
Z-Score
Formulas
Z = (X - μ) / (σ / √n)
P(42 < X < 46) = P(Z ≤ 0.645) - P(Z ≤ -1.937)
Theorems
Central Limit Theorem
Properties of the Standard Normal Distribution
Suitable Grade Level
Undergraduate Statistics or Advanced High School
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