Question

Three students out of a group of 10 seniors will be chosen to speak in front of the school. What is the probability that Ben, Mark, and Ty will be chosen?

Answer 1

The probability that a randomly chosen person from this group has type B is .

3/25

The probability that a randomly chosen person from this group has type AB is . 1/25

The probability that a randomly chosen person from this group has type B or type AB blood is

4/25