Question

In a class there are 15 boys and 10 girls. Two students are selected at random. What is the probability that both are
girls? / एक कक्षा में 15 लड़के और 10 लडकियां हैं। 3 छात्र को अनिमियत ढंग से चुना जाता है। क्या संभावना है कि चयनित
छात्रों में दोनों लड़की है?
IF​

Answer 1

Hey Mate!!

Given ; 15 boys and 10 girls in a class

Two students are selected at random

Probability that those are both girls=?

Probability = No of favourable outcomes

÷

Total no of outcomes

Probability = 10 ÷ (15+10)

Probability = 10÷ 25

Probability of selecting two girls = 0.4

Hope this helps you!!