Which equation is the exponential regression equation? (* = multiplication)

a) y=1.042^x
b) y=3.807+1.042^x
c) y=1.042*3.807^x
d) y=3.807*1.042^x

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.