Question
A random variable ‘X’ has the following probability distribution:
|
X |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|
P[X] |
$k - 1$ |
$3k$ |
$k$ |
$3k$ |
$3k^2$ |
$k^2$ |
$k^2 + k$ |
$-2$
