### Home > A2C > Chapter 10 > Lesson 10.2.4 > Problem 10-107

10-107.

On Friday, Randy Random went to DJ's to get a cone.

If he made a random selection, what is the probability that he got

*all*three scoops the same?Once the first scoop is chosen, there is no choice for the second or third scoop.

What is the probability that he got all three different?

Since the order does matter, it is the number of ways 3 out of 5 scoops can be arranged.