Probability

There are 130 NRICH Mathematical resources connected to Probability
Game of PIG - Sixes
game

Game of PIG - Sixes

Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?
Placeholder: several colourful numbers
problem

Boy or Girl?

Age
14 to 16
Challenge level
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Will the witch make a profit or loss?
Nine or Ten?
problem

Nine or Ten?

Age
11 to 14
Challenge level
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Is a score of 9 more likely than a score of 10 when you roll three dice?
Placeholder: several colourful numbers
problem

Dropouts

Age
14 to 16
Challenge level
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What percentage of students who graduate have never been to France?
Placeholder: several colourful numbers
problem

Strange dice

Age
11 to 14
Challenge level
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If two of these unusually numbered dice are thrown, how many different sums are possible?
Odds and Evens made fair
problem
Favourite

Odds and Evens made fair

Age
14 to 16
Challenge level
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In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.