Answered: The joint probability function of…

The joint probability function of random variables X and Y is given to be: (in the picture) a. Find the marginal density functions of X and Y b. Prove the independency of the variables

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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Question

The joint probability function of random variables X and Y is given to be: (in the picture)

a. Find the marginal density functions of X and Y
b. Prove the independency of the variables

Зх — у
1< x< 4,1 < y< 2
f(x, y) =
9
elsewhere

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