The manager of Human Resources in a company has information about the accidents at work during one month. He created the following probability distribution:
|
Number of accidents
|
Probability
|
|
0
|
0.27
|
|
1
|
0.23
|
|
2
|
0.17
|
|
3
|
0.12
|
|
4
|
0.09
|
|
5
|
0.07
|
|
6
|
0.05
|
a. Calculate the mean, variance and standard deviation
b. Interprete the results
c. Create the graph that represents the probability distribution.