On a recent Saturday, a total of 1112 people visited a local library. Of these people, 266 were under age 10, 496 were aged 10-18, 189 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) 0.446
B) 0.239
C) 0.685
D) 0.762

Question

Quizplus · Accepted Answer

The probability that a person is less than 19 years old is the sum of those under age 10 and those aged 10-18, which is 266 + 496 = 762. The probability is 762/1112 = 0.685.

On a Recent Saturday, a Total of 1112 People Visited