Question

There are 13 girls and 15 boys in a line . if one student is chosen at random , find the probality that he is boy.​

Answer 1

Step-by-step explanation:

Probability that student choosen is boy is 15/28.

Answer 2

Answer:

n(S)=13+15=28

Let A be the event that the selected one is a boy. n(A)=15

p(A)=n(A)/n(S)

=15/28