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Probability Theory 2 pmf means probability mass function Il. Answer the following problem. Write all necessary solutions. X and Y are jointly discrete random variables

Probability Theory 2

pmf means probability mass function

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Il. Answer the following problem. Write all necessary solutions. X and Y are jointly discrete random variables with joint PMF given by: X Y 0 2 Px (x) 0 0 2/15 1/15 1 3/15 6/15 0 2 3/15 0 0 Py (y) 11. Copy and complete the table. (7 pts) 12. Compute for E(X). (2 pts) 13. Compute for E(Y). (2 pts) 14. Compute for E(XY). (3 pts) 15. Compute for Var(X). (4 pts) 16. Compute for Var(Y). (4 pts) 17. Show that the the correlation coefficient between X and Y is -0.707. (4 pts)

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