Consider a random variable with the following probability distribution.
|
x |
0 |
1 |
2 |
3 |
|
Px (x) |
\(\frac{1}{8}\) |
\(\frac{1}{4}\) |
k |
\(\frac{1}{4}\) |
Which of the following statements is/are true?
1
The value k is 0.375
2
The mean is 1.75
3
Variance is 0.968
4
Standard deviation is 0.9375