Let X represent the number of heads after flipping a fair coin twice with probability.
| x | P(X=x) |
|---|---|
| 0 | 0.25 |
| 1 | 0.5 |
| 2 | 0.25 |
Is X a random variable?
Let X represent the number of heads after flipping a fair coin twice with probability.
| x | P(X=x) |
|---|---|
| 0 | 0.25 |
| 1 | 0.5 |
| 2 | 0.25 |
Is X a random variable?