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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

Money Duck

Act 1

A ‘Money Duck’ is a bar of soap in the shape of a duck, with money contained within it. The money can be any one of a $1, $5, $10, $20, or $50 bill. A video shows a person revealing that on four occasions they receive a $1 bill, and on one occasion they receive a $50 bill. What price would you pay for a money duck?

Act 2

There is a worksheet that introduces the idea of probability distributions, with some being possible and some impossible. The information is given that the manufacturer charges $5 for each duck, some probability distributions for the money inside the ducks is given, which would be attractive to the manufacturer?

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