Math Problem Statement
Misalnya fungsi densitas gabungan dari Y dan Z berbentuk f(y,z) = 10yz^2 ; 0<y<z, 0<z<1 dan f(y,z) = 0 untuk y,z lainnya. Tentukan fungsi densitas marginal dari Y, g(y)!
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Joint Probability Density
Marginal Density
Integral Calculus
Formulas
g(y) = ∫ f(y, z) dz
f(y, z) = 10yz^2
∫ z^2 dz = z^3 / 3
g(y) = (10y/3) * (1 - y^3)
Theorems
Marginal Density Theorem
Suitable Grade Level
Undergraduate Level (Calculus and Probability Theory)
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