# The joint density function of the discrete random variable (X, Y) is given in Table. (a) Find E(XY). (b) Find

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## Question:

The joint density function of the discrete random variable (X, Y) is given in Table.

(a) Find E(XY).

(b) Find Cov (X, Y).

(c) Find the correlation coefficient ?X, Y.

**Related Book For**

## Mathematical Statistics with Applications in R

ISBN: 978-0124171138

2nd edition

Authors: Chris P. Tsokos, K.M. Ramachandran

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