he percent frequency distributions of job satisfaction scores for a sample of information systems (IS) senior executives and middle managers are as follows. The scores range from a low of 1 (very dissatisfied) to a high of 5 (very satisfied).

Job Satisfaction Score IS Senior Executives (%) IS Middle Managers (%)
1 5 4
2 9 10
3 38 19
4 42 46
5 6 21
Develop a probability distribution for the job satisfaction score of a randomly selected senior executive.