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Showing posts with label Minimo teorico loto. Show all posts
Showing posts with label Minimo teorico loto. Show all posts
Monday, November 9, 2009
Minimo Teorico Loto
Una reducida tiene la forma C(v, k, t, m, l)=b
v. Numeros que jugamos en la reducida.
k. Numero de bolas que van a salir en el sorteo.
t. Garantia que ofrece la reducida si acierto m.
m. Numeros que tienes que acertar de v para garantizar t.
b. Cantidad de boletos de la reducida.
l. Lambda, es el numero de veces en que se cumple t.
Fórmula del minimo teórico:
=INT(COMBIN(V,T)*(V-M+1)/(COMBIN(M-1,T-1)*(V-T+1)*COMBIN(K,T))*L+0.9)
Fuente: Upper Bounds for Covering Designs by Simulated Annealing, autores: Kari J. Nurmela y Patric R. J. Ostergard [1993]
Ejemplo:
Todas las reducciones perfectas de loto son el mínimo posible.
La reducida perfecta C(22,6,3,3 l=1)=77
=INT(COMBIN(22,3)*(22-3+1)/(COMBIN(3-1,3-1)*(22-3+1)*COMBIN(6,3))*1+0.9)
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