O matemático disse que tudo depende de que base numérica você está usando. O engenheiro disse que era 4. O estatístico disse que ele estava 95% convencido de que a resposta estava entre 3,95 e 4,05. O político disse, "Quanto você gostaria que fosse?".
From Comic Sections by Desmond MacHale:
A mathematician, an engineer, a statistician and a politician were all asked what 2 + 2 was. The mathematician said that it all depended on what number base you were using. The engineer said it was 4. The statistician said he was 95% confident that the answer lay between 3.95 and 4.05. The politician said, "What would you like it to be?