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OpenStudy (loser66):
Find marginal density of Y2 \(f(y1,y2)= 6y_1^2y_2 ~~if~~0\leq y_1\leq y_2;y_1+y_2\leq 2\) =0 elsewhere. Please, help
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OpenStudy (loser66):
I don't know how to deal with limits. :(
OpenStudy (zarkon):
draw a picture
OpenStudy (loser66):
|dw:1455484599950:dw|
OpenStudy (loser66):
then?
OpenStudy (zarkon):
draw y1=y2
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OpenStudy (loser66):
why?
OpenStudy (zarkon):
boundry of \(y_1\le y_2\)
OpenStudy (loser66):
|dw:1455484718167:dw|
OpenStudy (zarkon):
now integrate over \(y_1\)
OpenStudy (loser66):
|dw:1455484780410:dw|
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OpenStudy (zarkon):
|dw:1455484811667:dw|
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