A small class has

10

students,

5

of whom are girls and

5

of whom are boys. The teacher is going to choose two of the students at random. What is the probability that the first student chosen will be a girl and the second will be a boy? Write your answer as a fraction in simplest form.

Question

Mathematics

Pogo

26 August, 15:50

A small class has

10

students,

5

of whom are girls and

5

of whom are boys. The teacher is going to choose two of the students at random. What is the probability that the first student chosen will be a girl and the second will be a boy? Write your answer as a fraction in simplest form.

+2

Answers (2)

Know the Answer?

Nora Romero · Answer 1

There are 4 possibilities

BB

GG

BG

GB

hence the answer is 1/4

Elijah Pope · Answer 2

The probability of girls chosen first is 5/10=1/2.

Then the probability of boys chosen after is 5/9. So the probability of both event is 1/2 * 5/9 = 5/18.

A small class has10students,5of whom are girls and5of whom are boys. The teacher is going to choose two of the students at random. What is the probability that the first student chosen will be a girl and the second will be a boy? Write your answer as a fraction in simplest form.

A small class has

10

students,

5

of whom are girls and

5

of whom are boys. The teacher is going to choose two of the students at random. What is the probability that the first student chosen will be a girl and the second will be a boy? Write your answer as a fraction in simplest form.