Math Chap 9 Vocab
Terms
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- experimental probability
- an estimated probability based on the relative frequency of positive outcomes occurring during an experiment
- theoretical probability
- the ratio of the number of ways an event can occur to the number of possible outcomes
- Fundamental Counting Principle
- uses multiplication of the number of ways each event in an experiment can occur to find the number of possible outcomes in a sample space
- factorial
- the expression n! is the product of all counting numbers beginning with n and counting backward to 1
- random
- outcomes occur at random if each outcome is equally likely to occur
- dependent event
- 2 or more events in which the outcome of one event affects the outcome of the other event
- fair game
- a game in which players of equal skill have an equal chance of winning
- combination
- an arrangement or listing of objects in which order is not important
- independent events
- 2 or more events in which the outcome of one event does not affect the outcome of the other event
- permutation
- an arrangement or listing of objects in which order is important
- complementary events
- events of one outcome happening and that outcome not happening are complementary events. The sum of the probablilities of complementary events is 1
- simple event
- one outcome or a collection of outcomes
- probability
- the chance that some event will happen. It is the ratio of the number of ways a certain event can occur to the number of possible outcomes
- compound event
- event consisting of 2 or more simple events
- outcome
- one possible result of a probability event. Ex: 4 is an outcome when a number cube is rolled
- tree diagram
- diagram used to show the total number of possible outcomes in a probability experiment
- sample space
- the set of all possible outcomes of a probability experiment