If we select simple random samples of size 2 from the given data, what is the probability of any of the five employees being selected first?

Starting salaries of a sample of five management majors along with their genders are shown below.


Employee|Salary($1000s)|M/F

1 | 30 | F

2 | 28 | M

3 | 22 | F

4 | 26 | F

5 | 19 | M


If we select simple random samples of size 2 from the given data, what is the probability of any of the five employees being selected first?


a. 0.40

b. 0.20

c. 0.50

d. 0.10


Answer: b. 0.20


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