(a) By finding the marginal density fy(y), show that Y ~ Exp(1).

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

Probability.

Let the joint density function of X and Y be given by
Le-(u+) for 0 < x,y < ∞0,
fx,y(x, y) =
otherwise.
(a) By finding the marginal density fy(y), show that Y -
Еxp(1).
Transcribed Image Text:Let the joint density function of X and Y be given by Le-(u+) for 0 < x,y < ∞0, fx,y(x, y) = otherwise. (a) By finding the marginal density fy(y), show that Y - Еxp(1).
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer