Which of the following is correct about a probability distribution?
A) Sum of all possible outcomes must equal 1
B) Outcomes must be mutually exclusive
C) Probability of each outcome must be between 0 and 1 inclusive
D) All of the above

Question

Quizplus · Accepted Answer

A) Sum of all possible outcomes must equal 1, as probabilities represent the likelihood of an event occurring and all possible events taken together must account for all possible outcomes.
B) Outcomes must be mutually exclusive, as only one outcome can occur at a time.
C) Probability of each outcome must be between 0 and 1 inclusive, as probabilities cannot be negative or greater than 1.

Which of the Following Is Correct About a Probability Distribution