Randomness - June 2008, Stage 3&4

Problems

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Misunderstanding Randomness

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Which of these ideas about randomness are actually correct?

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Can't Find a Coin?

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Can you generate a set of random results? Can you fool the random simulator?

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Which Spinners?

Stage: 3 and 4 Challenge Level: Challenge Level:1

Can you work out which spinners were used to generate the frequency charts?

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Distribution Differences

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

How could you compare different situation where something random happens ? What sort of things might be the same ? What might be different ?

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Introducing Distributions

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

When five dice are rolled together which do you expect to see more often, no sixes or all sixes ?

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Coin Lines

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

If a coin rolls and lands on a set of concentric circles what is the chance that the coin touches a line ?