Question

In class there are 25 girls and 15 boys . the teacher takes in all their books in a random order. calculate the probability that the teacher will a) mark a book belonging to a girl first b) mark a book belonging to a boy first

Answer 1

Answer:

a) 1/40

b) 1/40

Step-by-step explanation:

first calculate the number of students =15+25

=40

then

Answer 2

Answer:

1. 25 + 15 = 40

25/40 = 5/8

2. 15 +25=40

15/40 = 3/8