Equally likely outcomes
I can state when outcomes will be equally likely.
Equally likely outcomes
I can state when outcomes will be equally likely.
Lesson details
Key learning points
- A set of possible outcomes can be stated.
- Outcomes can be evaluated to decide how likely they are.
- Outcomes with the same likelihood can be identified.
Common misconception
Rolling a 6 on a dice is less likely to happen than rolling other numbers. Or ticket 001 is less likely to be drawn in a raffle than other tickets.
The random nature of picking a raffle or rolling a dice means all outcomes are equally likely as each other.
Keywords
Outcome - An outcome is a result of a trial.
Likelihood - Likelihood describes the chance that a particular event will occur.
Trial - A trial is a single predefined test.
Sample space - A sample space is all the possible outcomes of a trial. A sample space diagram is a systematic way of producing a sample space.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
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Starter quiz
6 Questions
a -
$${1}\over{4}$$
b -
$${1}\over{3}$$
c -
$${5}\over{12}$$
Exit quiz
6 Questions
trial -
a single predefined test
outcome -
a result of a trial
sample space -
all the possible outcomes of a trial
likelihood -
describes the chance that a particular event will occur
