In accompanying table, the random variable x represents the number of televisions in a household in a certain country. Determine whether or not the table is a probability distribution. If it is a probability distribution find its mean and standard deviation.
| x |
P(x) |
| 0 |
0.01 |
| 1 |
0.15 |
| 2 |
0.25 |
| 3 |
0.31 |
| 4 |
0.19 |
| 5 |
0.09 |
If the table is a probability distribution whatis its mean? And Standard devation?