WHAT DOES ROULETTE SYSTEMS BOOK MEAN?

gambler and roué , Antoine Gombaud, Chevalier de Méré, posed to his Pal, the Parisian mathematician Blaise Pascal, the following difficulty: “ How come the chances differ in throwing a six in 4 rolls of one die instead of throwing two 6s in 24 rolls of two dice? ” In subsequent correspondence with Pierre de Fermat (then a jurist in Toulouse)