Question

complete the sentence below. in a probability model, the sum of the probabilities of all outcomes must equal (type an integer or a decimal. do not round.)

Explanation:

Step1: Recall probability model rule

In a probability model, the sum of probabilities of all possible outcomes represents certainty.

Step2: Determine the value

Since certainty is represented by 1, the sum of probabilities of all outcomes is 1.

Answer:

1