Problem 7: Random variables X and Y have joint PDF 12e-(kr+), r 2 0, y 2 0, Sx.x (2, y) { 0, otherwise. (a) Find P(X +Y s 1).

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**Problem 7:** Random variables \( X \) and \( Y \) have joint PDF

\[
f_{X,Y}(x,y) = 
\begin{cases} 
12e^{-(3x+4y)}, & x \geq 0, y \geq 0, \\
0, & \text{otherwise.}
\end{cases}
\]

(a) Find \( P[X + Y \leq 1] \).

(b) Find \( P[\min(X,Y) \geq 2] \).

(c) Find \( P[\max(X,Y) \leq 0.5] \).
Transcribed Image Text:**Problem 7:** Random variables \( X \) and \( Y \) have joint PDF \[ f_{X,Y}(x,y) = \begin{cases} 12e^{-(3x+4y)}, & x \geq 0, y \geq 0, \\ 0, & \text{otherwise.} \end{cases} \] (a) Find \( P[X + Y \leq 1] \). (b) Find \( P[\min(X,Y) \geq 2] \). (c) Find \( P[\max(X,Y) \leq 0.5] \).
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