The following table summarizes a random sample of 1100 young adults who were questioned about their age where they live. The columns represent the ages and the rows represent if a student lived with their parents or elsewhere. A young adult is selected at random.

Age	18	19	20	21	22
Parents	38	70	81	114	155
Elsewhere	177	162	141	116	46

Question 1The probability that he lives with his parents given that he is still a teenager (18 or 19) is: