If the random variable X has the following distribution:
then the value of a is:
View full solution →| X: | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| P(X): | a | 3a | 5a | 7a | 9a | 11a | 13a | 15a | 17a |
- $\frac{7}{81}$
- $\frac{5}{81}$
- $\frac{2}{81}$
- $\frac{1}{81}$