Question

Below, a two-way table is given

for a class of students.
Male
Female
Total
Freshman Sophomore
4
6
3
4
Junior
2
6
Senior
2
3
Total
Find the probability the student is a sophomore,
given that they are a female.
P(sophomore | female) = P(sophomore and female)
P(female)
Round to the nearest whole percent.
H
[?]%
Enter

Answer 1

Answer: 25%

Explanation:

There are 4 female sophomores out of 3+4+6+3 = 16 girls total.

4/16 = 0.25 = 25% of the girls are sophomores.