What is the probability that the clash of 2 balls?

Question

What is the probability that the clash of 2 balls if we have 3 balls put in every head of a Triangle . i suppose that the balls moving

Answer 1

Favorite Answer

I am not at all sure what you're asking. If you are randomly selecting 3 vertices of a triangle and asking what the chances are that 2 of them will be the same, that's 7/9.

Answer 2

I don't know. But be careful where you put your balls...