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Learning Intention Long-Run Relative Frequency

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Learning IntentionLong-Run Relative Frequency

Success Criteria

Calculate probabilities from Long-run experiments and results

- When a die is tossed what is the probability that the result is even?
- A spinner is divided into 5 equal sectors numbered 1 to 5. What is P(3)? P(number greater than 1)?
- A bag contains 6 blue marbles, 3 white and 4 green marbles. What is the probability of choosing at random:
- A blue marble?
- A blue or green marble?

- Not equally likely outcomes
- Repeat the situation a large number of times under the same circumstances.
- P(event) = number of times event happens
number of trials

- E.g. Describe how you would
determine the probability that a

coin when tossed onto a square

grid like this one will land completely

inside a square (not on a line).

- You would draw up the grid and carry out the
experiment (at least 30 times).

Draw up a tally table and complete it.