| $X$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $P(X=x)$ | $K$ | $2K$ | $3K$ | $2K$ | $K$ |
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| $X$ | $0$ | $1$ | $2$ |
|---|---|---|---|
| $P(X)$ | $\frac{25}{36}$ | $k$ | $\frac{1}{36}$ |
| $X = x$ | $-1.5$ | $-0.5$ | $0.5$ | $1.5$ | $2.5$ |
|---|---|---|---|---|---|
| $P(X = x)$ | $0.05$ | $0.2$ | $0.15$ | $0.25$ | $0.35$ |
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