Question

(1) In class 10A, there are 30 boys and 20 girls. In 10B, there are 15 boys

and 25 girls. One student is to be selected from each class. i) What is the probability of both being girls?

What is the probability of both being boys? i) What is the probability of one boy and one girl? iv) What is the probability of at least one boy​

Answer 1

Step-by-step explanation:

i) probability of both being girls= 9/16

ii) probability of both being boys= 7/16

iii) probability of one boy and one girl = 9/16