Question

A brother and a sister are in the same math class. There are 8 boys in the class and there are 10 girls in the class. If one boy and one girl are chosen at random, what is the probability that the brother and sister will be the two students chosen? Answer as a fraction.

Answer 1

1/80

Explanation:

probability of selecting one specific boy is 1/8

probability of selecting one specific girl is 1/10

multiply the probabilities to get 1/80