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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Statistics
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 ajoint probability mass function.
- Find E(X), E(Y), V(X), V(Y)
- Find marginal probability distribution of X
- Find the covariance and correlation.
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 ajoint probability mass function.
- Find E(X), E(Y), V(X), V(Y)
- Find marginal probability distribution of X
- Find the covariance and correlation.
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