b) Find the marginal probability density function of Y, fy (y).

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 4E
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b?

b)
Find the marginal probability density function of Y, fy(y).
Transcribed Image Text:b) Find the marginal probability density function of Y, fy(y).
Two components of a laptop computer have the following joint probability density
function for their useful lifetimes X and Y (in years):
f(x, y)= xe (1+ y)
x20, y20
otherwise
Find the marginal probability density function of X, fy(x).
Transcribed Image Text:Two components of a laptop computer have the following joint probability density function for their useful lifetimes X and Y (in years): f(x, y)= xe (1+ y) x20, y20 otherwise Find the marginal probability density function of X, fy(x).
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