Q. 3

# In a certain college, 4% of boys and 1% of girls are taller than 1.75 meters. Furthermore, 60% of the students are girls. If a student is selected at random and is taller than 1.75 meters, what is the probability that the selected student is a girl?

Answer :

Let, T :students taller than 1.75

B : Boys in class

G : Girls in class

We want to find P(G|T), i.e. probability that selected taller is a girl

Conclusion : Therefore, the probability of selected taller student is a girl is

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