Question
ER PRACTICE ANOTHER The following probability distributions of job satisfaction scores for a sample of information systems (IS) senior executives and middle managers range
ER PRACTICE ANOTHER 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 Score Probability IS Senior IS Middle Executives Managers 1 0.05 0.03 2 0.09 0.10 3 0.03 0.12 4 0.42 0.45 5 0.41 0.30 (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 average score for senior executives is ---Select--- the middle managers score. The standard deviation for senior executives ---Select--- the middle managers standard deviation. lower than higher than Need Help? Read equal to
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