Question

A math class has

3
girls and
3
boys in the seventh grade and
5
girls and
3
boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both boys?

Answer 1

The probability of selecting a boy from the seventh grade is 3/6.
The probability of selecting a boy from the eighth grade is 3/8.
The probability the the selected students are both boys is:

`(3)/(6)*(3)/(8)=(3)/(16)`
The answer is: 3/16 or as a decimal fraction 0.1875.