Question

the sum of all possible probabilities is always ​

Answer 1

The sum of the probabilities in a probability distribution is always 1.

Ex -

1/2 is the probabilities of getting odd number when a dice is thrown

1/2 is the probabilities of getting even number when dice is thrown

1/2+1/2 = 2/2 = 1

Answer 2

Answer:

must equal to 1. ..........