Complete parts(a) and(b) using the probability distribution below.The number of overtime hours worked in one week per employee
Overtime hours |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
|
Probability |
0.036 |
0.077 |
0.160 |
0.284 |
0.211 |
0.165 |
0.067 |
(a) Find the mean, variance, and standard deviation of the probability distribution.