On a recent Saturday, a total of 1,0878 people visited a local library. Of these people, 249 were under age 10,479 were aged 10-18, 180 were aged 19-30, and the rest were more than 30 years old.

One person is sampled at random. What is the probability that the person is less than 19 years old ?

a)0.67

b) 0.229

c) 0.441

d)0.728