Learning Intention Long-Run Relative Frequency

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# Learning Intention Long-Run Relative Frequency - PowerPoint PPT Presentation

Learning Intention Long-Run Relative Frequency. Success Criteria Calculate probabilities from Long-run experiments and results. Do Now – Recapping Theoretical probabilities. When a die is tossed what is the probability that the result is even?

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### Learning IntentionLong-Run Relative Frequency

Success Criteria

Calculate probabilities from Long-run experiments and results

Do Now – Recapping Theoretical probabilities
• 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?
Long-run Relative Frequency
• 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.