: Why do all the probabilities add up to 1?

Question

When we roll a dice the probability of getting each number is (1/6). Apart from the fact that probabilities are supposed to be in the range of 0-1; why do they all add up to 1?

In: 3

Answer 1

probabilities are measured “out of one” so to speak. the probability of *one* of the possibilities occuring is 1/1. the probability of rolling a 6 is (1/6)/1

“one out of one times, when you roll a die, you get a number between 1 and 6”