MCQOPTIONS
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				| 1. | 
                                    The joint probability function of two discrete random variable X and Y is given by x = 0, 2, y = 2, 3 variance σ2 will be[Hint: σ2 = E(X2) - μ2 ⇒ E(X2) - (E(X))2] | 
                            
| A. | [A]. | 
| B. | [B]. | 
| C. | [C]. | 
| D. | zero | 
| Answer» C. [C]. | |