Let (X, Y) be a pair of jointly continuous random variables with joint density S{(* – y)°, (x,y) E [-1, 1)°, 10, f(x, y) otherwise (a) Compute the marginal density fx. (b) Set up an iterated integral to compute EY], but do not evaluate the integral.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
Let \((X, Y)\) be a pair of jointly continuous random variables with joint density

\[
f(x, y) = 
\begin{cases} 
\frac{3}{8}(x-y)^2, & (x, y) \in [-1, 1]^2, \\
0, & \text{otherwise}
\end{cases}
\]

(a) Compute the marginal density \( f_X \).

(b) Set up an iterated integral to compute \( E[Y] \), but do not evaluate the integral.
Transcribed Image Text:Let \((X, Y)\) be a pair of jointly continuous random variables with joint density \[ f(x, y) = \begin{cases} \frac{3}{8}(x-y)^2, & (x, y) \in [-1, 1]^2, \\ 0, & \text{otherwise} \end{cases} \] (a) Compute the marginal density \( f_X \). (b) Set up an iterated integral to compute \( E[Y] \), but do not evaluate the integral.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON