the task is simple.
choose a number between 0 and 100 and suply a short justification for your choice.
the winner is the person whose number is closest to two-thirds of the average of all the entries.
for example, three entries are submitted : 20, 30 and 40. the average is then 30 and the winning entry is 20 being exactly two-thirds of the average.
in the event of a tie, the prize will go to the person who submits the best justification. professor thaler's decision is final.
prize is dom reilly bag - lightweight, elegant and handcrafted.
send your guess to ThalerChallenge@ft.com
So, who's feeling sufficiently mathematically minded? =:D