Equally likely outcomes

There are 16 NRICH Mathematical resources connected to Equally likely outcomes
Can't find a coin?
problem

Can't find a coin?

Age
11 to 14
Challenge level
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Can you generate a set of random results? Can you fool the random simulator?
Dicey Dice
problem

Dicey dice

Age
16 to 18
Challenge level
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Invent a set of three dice where each one is better than one of the others?
A Brief History of Probability
problem

A brief history of probability

Age
11 to 14
Challenge level
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Can you help d'Alembert discover the probabilty of at least one head in two coin flips?