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  1. mathematics
  2. statistics
  3. x y fxy(x,y) -1 -2 1/8 -0.5 -1

x y fxy(x,y) -1 -2 1/8 -0.5 -1 1/4 0.5 1 1/2 1 2 1/8 Show that the function above satisfies the probabilities of a joint probability mass function. Find E(X), E(Y),...

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Verified Solution

Question

Statistics

x

y

fxy(x,y)

-1

-2

1/8

-0.5

-1

1/4

0.5

1

1/2

1

2

1/8

  1. Show that the function above satisfies the probabilities of ajoint probability mass function.
  2. Find E(X), E(Y), V(X), V(Y)
  3. Find marginal probability distribution of X
  4. Find the covariance and correlation.

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