Starter quiz
- A __________ is a single predefined test.
- likelihood
- outcome
- sample space
- trial ✓
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- What is an 'outcome'?
- a result of a trial ✓
- a single predefined test
- the chance that a particular event will occur.
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Complete the following sample space for the outcomes of the spinner. ξ = {A, I, R, T, ______ }.- 'L' ✓
- A regular six-sided dice is rolled once. In which sample space are the outcomes equally likely?
- ξ = {cube number, not a cube number}
- ξ = {factor of 10, not a factor of 10} ✓
- ξ = {multiple of 1, not a multiple of 1}
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- In which spinner are all the outcomes equally likely?
- A regular six-sided dice is rolled once. Which outcome would be equally likely to rolling a multiple of 3?
- rolling an even number
- rolling a factor of 12
- rolling a multiple of 4
- rolling a square number ✓
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Exit quiz
- An ______ is a subset of a sample space.
- 'event' ✓
Which statement is true for this spinner?- The most likely outcome is for it to land on 'lose'. ✓
- The most likely outcome is for it to land on 'win'.
- The two outcomes are equally likely to happen.
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- In which spinner is landing on 'win' more likely than landing on 'lose'?
A counter is selected at random form the bag. Which letter is most likely to be selected?- A ✓
- B
- C
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- A counter is selected at random form the bag. Which letter is least likely to be selected?
- A
- B
- C ✓
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- A single dice is rolled once. Which event is the most likely to happen?
- rolling a factor of 6 ✓
- rolling a multiple of 4
- rolling an odd number
- rolling a square number
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Worksheet
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Presentation
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Lesson Details
Key learning points
- Events with outcomes that are likely to not be equally likely can be identified
- Outcomes that are not equally likely can be identified and compared
- Factors can be identified that can cause one outcome to be more/less likely than another
Common misconception
The outcomes of a trial are always equally likely to occur (e.g. each of the two players in a tennis match are equally likely to win).
There are factors that may affect how likely one outcome is compared to another (e.g. the skill or experience of one tennis player compared to the other).
Keywords
Event - An event is a subset of a sample space. It could be a particular outcome or be a set of outcomes that may occur from a trial.
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