Records of a company show that 20% of the employees have only a
high school diploma; 70% have bachelor degrees; and 15% have
graduate degrees. Of those with only a high school diploma, 10%
hold management positions; whereas, of those having bachelor
degrees, 60% hold management positions. Finally, 85% of the
employees who have graduate degrees hold management
positions.
a. | Create a tree diagram representing the above situation. |
b. | What percentage of employees hold management positions? |
c. | Given that a person holds a management position, what is the probability that she/he has a graduate degree? |
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