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#1 2013-05-08 02:00:50

lucik1900
Member
Registered: 2013-03-15
Posts: 12

Consider two rvs X and Y with joint pdf f(x,y)=k−y, 0<y<x2 <1, find th

Consider two rvs X and Y with joint pdf f(x,y)=k−y, 0<y<x2 <1, find the constant k

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#2 2013-05-08 05:16:21

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 82,779

Re: Consider two rvs X and Y with joint pdf f(x,y)=k−y, 0<y<x2 <1, find th

Hi lucik1900;

What is x2? Is that x^2?


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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#3 2013-05-08 05:18:45

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 14,860

Re: Consider two rvs X and Y with joint pdf f(x,y)=k−y, 0<y<x2 <1, find th

Hi lucik1900

I am getting


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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#4 2013-05-08 05:43:00

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 82,779

Re: Consider two rvs X and Y with joint pdf f(x,y)=k−y, 0<y<x2 <1, find th

Hi all;

I am liking 33 / 10 but I sure do not like guessing at questions. x^2  is much better than x2.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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#5 2013-05-08 05:45:46

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 14,860

Re: Consider two rvs X and Y with joint pdf f(x,y)=k−y, 0<y<x2 <1, find th

Yes, it is, but I have noticed that people often use that kind of notation when they do not know how to put an exponent in the superscript.


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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