Question

The principal is collecting data to determine how many graduation tickets will be needed by students at the next graduation. She randomly asks 3 students from Mr. Winking’s Class which has 16 students in it. How many different groups of 3 does the principal have to pick from?

Answer 1

Answer:

5.3

Step-by-step explanation:

16 divided by 3 equals 5.3

Answer 2

Answer:

560

Step-by-step explanation:

Since we are given that there are 16 students and she chooses 3 out o f the group, we need to find out how many different combinations of groups of 3 the principal can pick from.

$^{16}C_{3} =560$