Saved Bookmarks
| 1. |
The probability distribution of a random variable X is given as under : P(X=x)={(kx^(2)",",x="1, 2, 3"),(2kx",",x="4,5,6"),(0"", "Otherwise"):} where k is a constant. Calculate (i) E(X), (ii) E(3X^(2)) and (iii) P(x ge 4). |
|
Answer» |
|