Artwork for The Law of Large Numbers for Kids: Why Coin Tosses Even Out

Maths

The Law of Large Numbers for Kids: Why Coin Tosses Even Out

Episode 829 11:02

In this episode

The story of the law of large numbers for kids: how John Kerrich tossed a coin 10,000 times during the Second World War, and how Jacob Bernoulli explained the result in a book published in 1713.

• Why Kerrich's 5,067 heads is so close to half
• Why a coin has no memory, and the next toss can still be anything
• How the same idea lets a survey of many people tell us about a whole crowd
• Quiz questions to answer along the way

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