Simple Probability Vocabulary

Which is an example of theoretical probability?

• The probability of rolling a 4 on a die is 1/6.

• I flipped a coin and it landed on tails 2/10 times.

The chance that an event will happen, or how likely an event is to occur

• odds

• probability

• outcomes

• event

One specific outcome divided by all possible outcomes

• simple probability

• experimental probability

• theoretical probability

• fundamental counting principle

A number from 0 to 1 that measures the likelihood that an event will occur

• outcomes

• event

• probability

• experiment

The ratio of the number of favorable outcomes to the number of possible outcomes.

• experimental probability

• theoretical probability

•  outcomes

• dependent event

A rule used to show the total number of possible outcomes in a probability event...if there are m ways of doing something, then n ways after that, m * n is the total outcomes

• mutually exclusive event

• outcomes

• fundamental counting principle

• odds

The set or collection of all possible outcomes

• Sample Space

• Event

• Trial

• Probability

One of the possible results of an action.

Example: Landing on heads when flipping a coin.

• Outcome

• Sample Space

• Probability

• Event

The ratio of favorable outcomes to the number of possible outcomes

*when all outcomes are equally likely

Ex: dice, coin

• theoretical probability

• probability

• experimental probability

• event

The probability of two or more events that add up to 1. If there is a 40% chance it will rain, there is a 60% chance it will not rain.

• complement

• trial

• fundamental counting principle

• outcome