Suppose X and Y have the following joint PDF: [√c²-u²-v², if u≥0, v≥0, u² + v² ≤c² fxy (u,v) = 0. else | where c>0 is a constant to be determined. (a) Draw the 3-dimensional PDF and its 2-dimensional region of support. 4 (b) Find the constant c (hint: the volume of a sphere with radius r is 3 (c) Find the marginal PDF of X. (d) What is the probability of X>Y. (e) Are X and Y independent? Why?

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Suppose X and Y have the following joint PDF:
[√c²-u²-v², if u≥0, v≥0, u² + v² ≤c²
fxy (u,v) =
0.
else
|
where c>0 is a constant to be determined.
(a) Draw the 3-dimensional PDF and its 2-dimensional region of support.
4
(b) Find the constant c (hint: the volume of a sphere with radius r is
3
(c) Find the marginal PDF of X.
(d) What is the probability of X>Y.
(e) Are X and Y independent? Why?
Transcribed Image Text:Suppose X and Y have the following joint PDF: [√c²-u²-v², if u≥0, v≥0, u² + v² ≤c² fxy (u,v) = 0. else | where c>0 is a constant to be determined. (a) Draw the 3-dimensional PDF and its 2-dimensional region of support. 4 (b) Find the constant c (hint: the volume of a sphere with radius r is 3 (c) Find the marginal PDF of X. (d) What is the probability of X>Y. (e) Are X and Y independent? Why?
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