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Show that X=Y+c for some constant c almost surely. Find the value of c... [10 pt] Suppose the variance of the difference of two random

Show that X=Y+c for some constant c almost surely.

Find the value of c...

[10 pt] Suppose the variance of the difference of two random variables X and Y is zero. Then, show that X = Y + c for some constant c almost surely. Also find the value of c

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