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]. | |