Math Problem Statement
- A fun¸c˜ao densidade conjunta de X e Y ´e dado por fX,Y (x, y) = 1/2, −1 < x < 1, 0 < y < 1, 0, o.c. (a) X e Y s˜ao independentes?. Justifique; (b) Calcule P(X < Y ).
Solution
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Math Problem Analysis
Mathematical Concepts
Joint Probability Distribution
Independence of Random Variables
Probability
Integration
Formulas
f_{X,Y}(x, y) = f_X(x) f_Y(y) (for independent random variables)
P(X < Y) = ∫_0^1 ∫_{-1}^y f_{X,Y}(x, y) dx dy
Theorems
Independence of Random Variables Theorem
Marginal Distribution
Double Integration for Probability Calculation
Suitable Grade Level
University Level - Probability and Statistics
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