Answer: Probability A joint density function of the continuous random variables and is a
Chapter 14, Problem 63(choose chapter or problem)
Probability A joint density function of the continuous random variables x and y is a function f(x, y) satisfying the following properties.
(a) \(f(x, y) \geq 0\) for all (x, y)
(b) \(\int_{-\infty}^{\infty} \int_{-\infty}^{\infty} f(x, y) d A=1\)
(c) \(P[(x, y) \in R]=\int_{R} \int f(x, y) d A\)
In Exercises 63 - 66, show that the function is a joint density function and find the required probability.
\(f(x, y)=\left\{\begin{aligned} \frac{1}{10}, & 0 \leq x \leq 5,0 \leq y \leq 2 \\ 0, & \text { elsewhere } \end{aligned}\right\).
\(P(0 \leq x \leq 2,1 \leq y \leq 2)\)
Text Transcription:
f(x, y) geq 0
int_{-infty}^{infty} int_{-infty}^{infty} f(x, y) d A = 1
P[(x, y) in R] = int_{R} int f(x, y) d A
f(x, y) = {1 / 10, 0 leq x leq 5, 0 leq y leq 2 \\ 0, elsewhere
P(0 leq x leq 2,1 leq y leq 2
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