Experimental probability

There are 50 NRICH Mathematical resources connected to Experimental probability
Odds and Evens made fair
problem
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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.
Probably a code?
problem
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Probably a code?

Age
16 to 18
Challenge level
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Is the regularity shown in this encoded message noise or structure?
Which spinners?
problem
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Which spinners?

Age
14 to 18
Challenge level
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Can you work out which spinners were used to generate the frequency charts?
Statistical shorts
problem
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Statistical shorts

Age
11 to 16
Challenge level
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Can you decide whether these short statistical statements are always, sometimes or never true?
Who's the winner?
problem
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Who's the winner?

Age
14 to 16
Challenge level
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When two closely matched teams play each other, what is the most likely result?
Domino Pick
problem
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Domino pick

Age
5 to 7
Challenge level
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Are these domino games fair? Can you explain why or why not?
Do you feel lucky?
problem
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Do you feel lucky?

Age
11 to 14
Challenge level
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Some people offer advice on how to win at games of chance, or how to influence probability in your favour. Can you decide whether advice is good or not?
Two's company
problem
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Two's company

Age
11 to 14
Challenge level
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Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?
Mathsland National Lottery
problem
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Mathsland national lottery

Age
14 to 16
Challenge level
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Can you work out the probability of winning the Mathsland National Lottery?
Cosy corner
problem
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Cosy corner

Age
11 to 14
Challenge level
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Six balls are shaken. You win if at least one red ball ends in a corner. What is the probability of winning?