Question

In a particular class, the probability of a student having blue eyes is 0.3, of having both blue eyes and blonde hair is 0.2, and of having neither blue eyes nor blonde hair is 0.5. What is the probability that a student in this class has blonde hair?
Question options:
a) 0.5
b) 0.2
c) 0.3
d) 0.1

Answer 1

b

Answer 2

Why is it b)?