fx,y(x, y) = 7e- if x, y ≥ 0 otherwise (a) Verify that fx,y is indeed a probability density function. (b) Find the marginal probability density function fx and state the name of the distribution of X.

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Chapter1: Combinatorial Analysis
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a and b please

Question 1
function given by
Suppose that X and Y have a joint probability density
if x, y ≥ 0
otherwise
fx.x (x, y)
7e-z-7y
(a) Verify that fx,y is indeed a probability density function.
(b) Find the marginal probability density function fx and state the name of the
distribution of X.
Transcribed Image Text:Question 1 function given by Suppose that X and Y have a joint probability density if x, y ≥ 0 otherwise fx.x (x, y) 7e-z-7y (a) Verify that fx,y is indeed a probability density function. (b) Find the marginal probability density function fx and state the name of the distribution of X.
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