Laura has moved to a new apartment. her schoolbooks comprising of different subjects are mixed in a bag during the move. four books are of mathematics, three are english, and six are science. if laura opens the bag and selects books at random, find the given probability.

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.