Enzo smiled, sliding her a free bruschetta . "Ah, combinatoria . Let’s reason."
In the narrow, lantern-lit streets of Perugia, old Enzo ran the most beloved pizzeria in Umbria. But Enzo had a secret: he was also a mathematician who had retired early from the University of Bologna. Calcolo combinatorio e probabilita -Italian Edi...
Just then, the bell rang. Three new customers entered: a nun, a clown, and a beekeeper. Enzo smiled, sliding her a free bruschetta
The beekeeper picked honey (not on the menu), the nun picked mushrooms, the clown picked pineapple (scandalous). All different. But Enzo had a secret: he was also
"But wait!" Luca interrupted. "What if you also require that the three chosen customers are all from different towns, and there are 4 towns with 5 customers each? And the selection without replacement must include one from each town — then what's the probability that a random ordered selection of 3 customers satisfies that?"
Each of 3 people chooses 1 topping from 10: [ 10 \times 10 \times 10 = 1000 ]
"I bet," Chiara whispered, "the chance they all pick different toppings is 72%."