Inside the box there are 20 coins of 1 or 2 values
How much do they add up in total?
Do you know for sure?
What has been your strategy?
This is a typical real-world situation where we don't have all the data for a problem. Normally, however, there is enough data to study it and approach or narrow down the answer.
Here we can illustrate this by breaking it down step by step:
- Hi ha la mateixa quantitat de monedes 1 que de monedes 2? Són 10 monedes de cada classe?
- Which currencies do there seem to be more?
- We can see at the same time 5 coins, have they ever remained 5 equal?
- De totes les possibles formes de fer 2 grups amb 20 monedes, 1 i 19, 2 i 18, 3 i 17, etc, quines podem descartar segur?
- Of the possible options, which one has the highest value? How much would it be worth?
- Which has the lowest value? How much is it?
- Hotel Area: Sala Lluís Santaló
- Minimum age: from 10 years old.
- Required time: 5 minutes.
- Number of participants: One or more people
- Keywords: Chance, hypotheses, uncertainty. incomplete data.
- Taxonomy: Probability and statistics
