Probability Vocabulary Worksheet
Complementary Events
Event
Independent events
Outcomes
Population
Random
Sample
Sample Space
Survey
The tree diagram
Theoretical probability
Probability Vocabulary Worksheet
Probability Vocabulary Worksheet
complementary events
event
independent events
outcomes
population
random
sample
sample space
survey
theoretical probability
tree diagram
Probability Vocabulary Worksheet
complementary
Two events in which either one or the other must take place, but they
events
cannot both happen at the same time. The sum of their probabilities is 1.
event
A specific outcome or type of outcome.
independent
Two or more events in which the outcome of one event does not affect
events
the outcome(s) of the other event(s).
outcomes
Possible results of a probability event.
population
The entire group of items or individuals from which the samples under
consideration are taken.
random
A variety of outcomes that are equally likely to occur.
sample
A randomly-selected group that is used to represent a whole population.
sample space
The set of all possible outcomes in a probability experiment.
survey
A question or set of questions designed to collect data about a specific
group of people.
theoretical
The ratio of the number of ways an event can occur to the number of
probability
possible outcomes.
tree diagram
A diagram used to show the total number of possible outcomes in a
probability experiment.