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Description

A reporter makes a bet with a passer-by about how many people they'd have to ask before they found two with a matching birthday. It turns out that you only need to ask 35 people for it to be very likely that you'll get a match, and the clip explains why.
The One Show
This clip is from:
The One Show
First broadcast:
22 August 2007

Classroom Ideas

Could be used as an enrichment activity on probability, or as an introduction to more advanced level work on permutations and combinations.