Basic Probability Summary

Basic Probability

Summary

probability is a measure of how likely it is that an event will happen.

Key Skills
  • use the correct words when talking about probabilities.
  • calculate probabilities for events such as rolling dice and tossing coins.
  • find the expected value when carrying out several trials e.g. how many heads do you expect to get on 10 tosses of a coin.

Vocabulary

probability, experiment, trial, outcome, sample space, event, equally likely outcomes, relative frequency.