A survey of autos parked in student and staff lots at a large university classified the brands by country of origin, as seen in the table:
Student Staff
American 108 92
European 36 18
Asian 59 56
Given that the car is Europena, what proportion of the drivers are staff?
a) 0.11
b) 0.05
c) 0.67
d) 0.33
e) 0.89