using System;               

​

public class Program

{

    public static void Main()

    {

        double anomalyPct = 0.5;

        int anomalyCount = 0;

        int normalCount = 0;

        int min = -1;

        int max = 0;

        var random = new Random();

        for (int i = 0; i < 1000; i++)

        {       

            var isAnomaly = random.Next(0,1000) / 100.00 < anomalyPct;

​

            int floor = !isAnomaly ? 0 : 500;

            int ceil = !isAnomaly ? 500 : 2000;

​

            var latency = random.Next(floor, ceil);

​

            min = min == -1 || latency < min ? latency : min;

            max = latency > max ? latency : max;

            if (isAnomaly) { anomalyCount++; } else { normalCount++; }          

            Console.WriteLine($"N:{normalCount}\tA:{anomalyCount}\tMin:{min}\tMax:{max}");

        }

    }

}