Question

A class has 20 girls and 16 boys.One student is selected at random.Find the probability that the selected student is a girl.

• A. $\frac{1}{4}$
• B. $\frac{5}{9}$
• C. $\frac{3}{4}$
• D. $\frac{4}{9}$

Answer 1

Answer: (B)

$\frac{5}{9}$

total no of ways to select one student = 16+20=36

no. of way that selected student is a girl is =20

hence probability that selected student is a girl =$\frac{20}{36}=\frac{5}{9}$