At the end of each week, an employer gives some vacation hours to a few randomly selected

employees. There are 25 employees in her department11 males and 14 females. The employer

wants to give vacation hours to 6 of the employees.

(a) Is this a permutation or a combination? Why? [2 pts.]

(b) How many possible groups of 6 employees can she choose? [2 pts.]

(c) Find the probability that the employer gives vacation hours to 3 males and 3 females if she

chooses 6 employers from the company at random.