Probability |
Summary
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probability is a measure of how likely it is that an event will happen.
a tree diagram allows choices and outcomes for a sequence of events to be displayed.
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Key Skills
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- use the correct words when talking about probabilities
- calculate probabilities for events such as rolling dice and tossing coins
- calculate probabilities for multiple events such as getting a head with a coin followed by a rolling a six on a die
- 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
- given a set of choices arrange them in a tree diagram
- calculate outcomes from a tree diagram
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Vocabulary
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median, tree diagram, stem and leaf diagram, probability,experiment, trial, outcome, sample space, event, equally likely outcomes, expected value.
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