| $X = x$ | $0$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ |
| $P(x)$ | $0.01$ | $0.10$ | $0.26$ | $0.33$ | $0.18$ | $0.06$ | $K$ | $0.04$ |
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| $X=x$ | $1$ | $3$ | $5$ | $2$ |
| $P(X=x)$ | $3 K^2$ | $K$ | $K^2$ | $2 K$ |
| $X$ | $0$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ |
|---|---|---|---|---|---|---|---|
| $P(X)$ | $k$ | $3k$ | $5k$ | $7k$ | $9k$ | $11k$ | $13k$ |
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