The table below provides summary information about the students in a class. The sex of each individual and their age is given. Male Female Total Under 20 yrs old 10 8 18 Between 20 and 25 yrs old. 12...

The table below provides summary information about the students in a class. The sex of each individual and their age is given.

If a student is randomly selected from this group, what is the probability that the student is a female who is also under 20 years old?