Question

There are 15 qualified applicants for 5 trainee positions in a fast-food management program. How many different groups of trainees can be selected? Select one:

a.75
b. 3003
c. none of these choices
d.360,360
e.15

Answer 1

C

Explanation:

This is actually a combination problem as we are trying to select groups of 5 from the 15 qualified trainees.

To do this, we use the combinatorial approach. This is done by using the formula 15C3 = 15!/(15-3)!3!

This gives a value of 455