Chevalier de Méré
Level 1●●○○○ Easy~4 min
Problem
A classic 17th-century wager. (a) Roll a single fair die four times — what is the probability of getting at least one 6? (b) Roll a pair of fair dice 24 times — what is the probability of at least one double-six? De Méré believed the two should be equal. Were they?