Math Problem Statement
Dianggap bahwa fungsi densitas gabungan dari X dan Y diberikan dengan: f(x,y)=c(4x+2y+1); 0<=x<=40, 0<y<2 =0; x,y lainnya. Tentukan fungsi densitas marginal dari Y!
Solution
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Math Problem Analysis
Mathematical Concepts
Probability Density Function
Joint Probability Distribution
Marginal Probability Distribution
Integration
Formulas
f_Y(y) = ∫ f(x, y) dx
f(x, y) = c(4x + 2y + 1)
c = 1 / ∫ f_Y(y) dy
Theorems
Marginalization Theorem
Normalization Condition for Probability Density Functions
Suitable Grade Level
Undergraduate
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