Question
3) A study of job satisfaction was conducted for four occupations. Job satisfaction was measured on...
3) A study of job satisfaction was conducted for four occupations. Job satisfaction was measured on a scale of 0 – 100 with higher scores indicating higher job satisfaction. The data obtained is summarized n the following crosstabulation.
|
Satisfaction Score |
|||||
|
Occupation |
Under 50 |
50 - 59 |
60 - 69 |
70 - 79 |
80 – 89 |
|
Cabinetmaker |
0 |
2 |
4 |
3 |
1 |
|
Lawyer |
6 |
2 |
1 |
1 |
0 |
|
Physical Therapist |
0 |
5 |
2 |
1 |
2 |
|
Systems Analyst |
2 |
1 |
4 |
3 |
0 |
a) What is the probability that a randomly selected person has a job satisfaction rating in the 80s?
b) What is the probability of a job satisfaction rating in the 70s given the person is a Physical Therapist?
c) What is the probability that a person randomly selected is a Cabinetmaker?
d) What is the probability that a randomly selected person is a Lawyer and has a job satisfaction rating below 50?
e) Given a job satisfaction rating of 60 – 69 what is the probability that the person selected is a Systems Analyst?
f) What is the probability of a job satisfaction rating of being 70 or higher?
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Answer #1
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