| $X$ | $1$ | $2$ | $3$ | $4$ |
|---|---|---|---|---|
| $P(X=x)$ | $\frac{1}{8}$ | $\frac{1}{8}$ | $\frac{1}{2}$ | $\frac{1}{4}$ |
| $X$ | $1$ | $2$ | $3$ | $4$ |
|---|---|---|---|---|
| $P(X=x)$ | $\frac{1}{4}$ | $\frac{1}{2}$ | $\frac{1}{8}$ | $\frac{1}{8}$ |
| $X$ | $1$ | $2$ | $3$ | $4$ |
|---|---|---|---|---|
| $P(X=x)$ | $\frac{1}{8}$ | $\frac{1}{4}$ | $\frac{1}{8}$ | $\frac{1}{2}$ |
| $X$ | $1$ | $2$ | $3$ | $4$ |
|---|---|---|---|---|
| $P(X=x)$ | $\frac{1}{2}$ | $\frac{1}{4}$ | $\frac{1}{8}$ | $\frac{1}{8}$ |
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| $X = x$ | $0$ | $2$ | $4$ | $6$ | $8$ | $10$ |
|---|---|---|---|---|---|---|
| $P(X = x)$ | $0$ | $k$ | $2k$ | $5k^2$ | $2k^2$ | $3k$ |
| $x$ | $0$ | $1$ | $2$ |
|---|---|---|---|
| $P(X=x)$ | $q^2$ | $2pq$ | $p^2$ |
| $X$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $P(X=x)$ | $K$ | $2K$ | $3K$ | $2K$ | $K$ |
| $X=x$ | $0$ | $1$ | $2$ | $3$ |
|---|---|---|---|---|
| $P(X=x)$ | $\frac{1}{3}$ | $\frac{1}{2}$ | $0$ | $\frac{1}{6}$ |
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