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3 years ago

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Let the joint pmf of X and Y be f(x,y)=1/4, (x,y)∈S={(0,0),(1,1),(1,−1),(2,0)}. (a) Are X and Y independent? (b) Calculate Cov(X

,Y) andrho. This exercise also illustrates the fact that dependent random variables can have a correlation coefficient of zero

1 answer:

MrMuchimi3 years ago

8 0

Answer:

rtdjhvjhfdtktcfyukch

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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liubo4ka [24]

Answer:

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Step-by-step explanation:

It seems you might be missing some of the question, as you haven't given what m and n are equal to.

If the question has just given you x, then you would simply just simplify it to get -3mn.

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Oxana [17]

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