Two continuous random variables X and Y have the following bivariate probability function which is defined over the unit square: fxy(x,y) = (9 - 6x - 6y + 4xy)/4 0≤x,y≤1, 0 Otherwise a. Given that R is the unit square, verify that: ∫∫fXY(x,y)dxdy=1 b. Determine fX(x) and fY(y). c. Hence state whether or not the two random variables are independent.
Two continuous random variables X and Y have the following bivariate probability function which is defined over the unit square: fxy(x,y) = (9 - 6x - 6y + 4xy)/4 0≤x,y≤1, 0 Otherwise a. Given that R is the unit square, verify that: ∫∫fXY(x,y)dxdy=1 b. Determine fX(x) and fY(y). c. Hence state whether or not the two random variables are independent.
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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Two continuous random variables X and Y have the following bivariate probability
fxy(x,y) = (9 - 6x - 6y + 4xy)/4 0≤x,y≤1, 0 Otherwise
a. Given that R is the unit square, verify that: ∫∫fXY(x,y)dxdy=1
b. Determine fX(x) and fY(y).
c. Hence state whether or not the two random variables are independent.
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