1003158408

SubArea: 
Probability
Level: 
C
Project ID: 
1003158408
Accepted: 
1
Clonable: 
0
Easy: 
0
The class consists of 10% long haired boys, 30% short haired boys, 50% long haired girls and 10% short haired girls. We choose one of the students from the class randomly. Find the probability that the student has long hair if you know he is a boy.
0.25
0.40
0.10
0.03