Just how ridiculous are exam curricula?

Don’t take it from me. Here is a reddit post made recently. J’étudie le français depuis 11 ans maintenant et je le parle couramment comme un natif. Mais quand j’ai passé le test CECR, le résultat était seulement B2. Est-ce normal ? Parce que je pense que je suis...

The Random Walk

There’s a thing in statistics that goes like this. Take a dice, throw the dice 100 times after ignoring any time you throw a 5 or a 6. Starting from the centre of a piece of graph paper move upwards one square if you throw a 1, downwards one square if you throw...