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2. The joint pdf of random variable x and y is fxy(x, y) = 1,0 ≤ x ≤ y,0 ≤ y ≤2 2' Find (a) the marginal pdf f(x) and f(y), (b) the conditional pdfs f(xly) and fyx), and (c) E{xy=1} and E{xy=0.5}. (d) Are x and y independent? (e) find the correlation coefficient.

2. The joint pdf of random variable x and y is fxy(x, y) = 1,0 ≤ x ≤ y,0 ≤ y ≤2 2' Find (a) the marginal pdf f(x) and f(y), (b) the conditional pdfs f(xly) and fyx), and (c) E{xy=1} and E{xy=0.5}. (d) Are x and y independent? (e) find the correlation coefficient.

A First Course in Probability (10th Edition)
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...
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Only A and B

**Problem Statement:** The joint probability density function (pdf) of random variables \(x\) and \(y\) is given by: \[ f_{xy}(x, y) = \frac{1}{2}, \quad 0 \leq x \leq y, \, 0 \leq y \leq 2 \] **Tasks:** (a) Find the marginal pdfs \( f_x(x) \) and \( f_y(y) \). (b) Find the conditional pdfs \( f(x|y) \) and \( f(y|x) \). (c) Calculate \( E\{x|y=1\} \) and \( E\{x|y=0.5\} \). (d) Determine whether \( x \) and \( y \) are independent. (e) Find the correlation coefficient between \( x \) and \( y \).
Transcribed Image Text:**Problem Statement:** The joint probability density function (pdf) of random variables \(x\) and \(y\) is given by: \[ f_{xy}(x, y) = \frac{1}{2}, \quad 0 \leq x \leq y, \, 0 \leq y \leq 2 \] **Tasks:** (a) Find the marginal pdfs \( f_x(x) \) and \( f_y(y) \). (b) Find the conditional pdfs \( f(x|y) \) and \( f(y|x) \). (c) Calculate \( E\{x|y=1\} \) and \( E\{x|y=0.5\} \). (d) Determine whether \( x \) and \( y \) are independent. (e) Find the correlation coefficient between \( x \) and \( y \).
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