Which relation is not a function? Group of answer choices (4, 1), (8, 2), (12, 3), (16, 4), (20, 4) (7, 3), (7, 6), (7, 9), (7, 12) (7, 15) (-4, 6), (0, 6), (7, 6), (4, 6), (-7, 6) (1, 3), (3, 5), (5, 7), (7, 9), (9,1)

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.