using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

using System.Threading.Tasks;

public class Program

{

    private static Random rnd = new Random((int)DateTime.Now.Ticks & 0x0000FFFF);

    private static int overflow = 1;

        public static void Main()

        {

​

            int[] conteo = { 0, 0, 0, 0, 0, 0, 0 };

​

            int i = 0;

            for (i = 0; i < 1000000000; i++)

            {

​

                int numero = RollRandom5();

​

                if (numero > 0 && numero < 8)

                {

                    conteo[numero - 1]++;

                }

            }

​

            for (int numero = 0; numero < 7; numero++) 

            {

                double probabilidad = ((double)conteo[numero] / (double)i) * 100.00;

                Console.WriteLine("El numero " + (numero + 1) + " aparecio " + conteo[numero] + " veces la probabilidad de ocurrencia fue " + probabilidad+"%");

            }

​

        }

​

        public static int RollRandom7()

        {

            return rnd.Next(1, 8);

        }

​

        public static int RollRandom5()

        {

            int number = RollRandom7();

            number = number <= 5 ? number : RemoveOverflow();

            return number;

        }

        private static int RemoveOverflow()

        {

                overflow = overflow <= 4 ? overflow + 1 : 1;

                return overflow;

        }

}