The following probability distributions of job satisfaction scores for a sample of information systems (IS) senior executives and middle managers range from a low of 1 (very dissatisfied) to a high of 5 (very satisfied). Job Satisfaction. Probability Score IS Senior Executives IS Middle Managers 1 0.05 0.04 2 0.09 0.10 3 0.03 0.12 4 0.42 0.45 5 0.41 0.29 (a) What is the expected value of the job satisfaction score for senior executives? (b) What is the expected value of the job satisfaction score for middle managers? (c) Compute the variance of job satisfaction scores for executives and middle managers. executives _________ middle managers _________ (d) Compute the standard deviation of job satisfaction scores for both probability distributions. (Round your answers to two decimal places.) executives ________ middle managers ________ (e) Compare the overall job satisfaction of senior executives and middle managers
The following
Job
Satisfaction. Probability
Score IS Senior Executives IS Middle Managers
1 0.05 0.04
2 0.09 0.10
3 0.03 0.12
4 0.42 0.45
5 0.41 0.29
(a)
What is the
(b)
What is the expected value of the job satisfaction score for middle managers?
(c)
Compute the variance of job satisfaction scores for executives and middle managers.
executives _________
middle managers _________
(d)
Compute the standard deviation of job satisfaction scores for both probability distributions. (Round your answers to two decimal places.)
executives ________
middle managers ________
(e)
Compare the overall job satisfaction of senior executives and middle managers
Trending now
This is a popular solution!
Step by step
Solved in 7 steps with 22 images
