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QUESTION 1

Use the contingency tables provided in Case 4.1 in order to answer the following questions (the two tables are reproduced here for convenience). If an employee is chosen at random, what is the probability that this employee has an MBA degree?

0.33
0.67200
None of the above

1 points   
QUESTION 2

If an employee is chosen at random, what is the probability that this employee was hired out of college?
0.30
0.50
0.60
0.90

1 points   
QUESTION 3

If an employee is chosen at random, what is the probability that this employee was promoted given that he/she was hired out of college?
0.05
0.08
0.10
None of the above

1 points   
QUESTION 4

Suppose an employee is chosen at random. Given that this employee does not have the MBA degree, what is the probability that he/she was hired out of college and was promoted?
0.015
0.090
0.440
0.455

1 points   
QUESTION 5

Suppose an employee is chosen at random. Given that this employee have the MBA degree, what is the probability that he/she was hired out of college and was promoted?0.0150.0900.5130.912