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'It's a Tie' printed from http://nrich.maths.org/

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Why not create your own experiment? You could draw and cut out ties (or print off this sheet) and perhaps put them in a bag to be picked out.
Maybe you could create a simulation on the computer?
It might be a good idea to work with some friends in different groups so that you have more results to look at.
Look at the results of your experiment. How many times did you pull out the same tie in a week?
How does this compare with your friends' experiments?