Question
Solution set of the inequality $x \geq 0$ is
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| $X$ | $ 0$ | $1$ | $2$ | $3$ | $4$ |
| $P(X)$ | $ 0.1$ | $ k$ | $ 2k$ | $ k$ | $0.1$ |
| $\text{X}:$ | $2$ | $3$ | $4$ | $5$ |
| $\text{P}(\text{X}):$ | $\frac{5}{\text{k}}$ | $\frac{7}{\text{k}}$ | $\frac{9}{\text{k}}$ | $\frac{11}{\text{k}}$ |