A specific outcome or type of outcome
Simple Event
A die is rolled, find the probability that an even number is obtained.
3/6 or 1/2
outcomes that occur at random if each outcome is equally likely to occur
Random
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5
9/20
the list of possible outcomes for a probability event
Sample Space
Two dice are tossed.The probability that the total score is a prime number
5/12
one possible result of a probability
Outcome
A card is drawn from a pack of 52 cards.The probability of getting a queen of club or a king of heart
1/26
the events of one outcome happening and that outcomes not happening are complementary
Complementary Events
A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
4/7