The following probability distributions of job satisfaction scores for a sample of information systems (IS) senior executives range from a low of 1 (very dissatisfied) to a high of 5 (very satisfied). Excel File: data05-21.xlsx Job Satisfaction Score 123 45 Executives 5 Middle managers IS Senlor Executives 0.05 0.09 0.03 0.42 0.41 Probability a. What is the expected value of the job satisfaction score for senior executives (to 2 decimals)? IS Middle Managers 0.04 0.10 0.12 0.46 0.28 b. What is the expected value of the job satisfaction score for middle managers (to 2 decimals)? c. Compute the variance of job satisfaction scores for executives and middle managers (to 2 decimals).
The following probability distributions of job satisfaction scores for a sample of information systems (IS) senior executives range from a low of 1 (very dissatisfied) to a high of 5 (very satisfied). Excel File: data05-21.xlsx Job Satisfaction Score 123 45 Executives 5 Middle managers IS Senlor Executives 0.05 0.09 0.03 0.42 0.41 Probability a. What is the expected value of the job satisfaction score for senior executives (to 2 decimals)? IS Middle Managers 0.04 0.10 0.12 0.46 0.28 b. What is the expected value of the job satisfaction score for middle managers (to 2 decimals)? c. Compute the variance of job satisfaction scores for executives and middle managers (to 2 decimals).
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 33E: Sick leave probability that a given worker at Dyno Nutrition Will call in sick on a Monday is 004....
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