| $\text{X}$ | $1$ | $2$ | $3$ | $4$ |
| $\text{P}(\text{X})$ | $\frac{1}{10}$ | $\frac{1}{5}$ | $\frac{3}{10}$ | $\frac{2}{5}$ |
|
X
|
-4
|
-3
|
-2
|
-1
|
0
|
|
P(X)
|
0.1
|
0.2
|
0.3
|
0.2
|
0.2
|
|
$\text{X}:$
|
$1$
|
$2$
|
$3$
|
$4$
|
|
$\text{P}(\text{X}):$
|
$\frac{1}{10}$
|
$\frac{1}{5}$
|
$\frac{3}{10}$
|
$\frac{2}{5}$
|