code: public static double computeProbability(double mean, double sd, double value) {
  		double probability = 0.0;
  
  		if (sd > 0.0) {
  			double k = (Math.abs(value - mean) / sd); // One tailed variant of Chebyshev's inequality
  			probability= 1.0 / (1+k*k);
  		}
  
  		return probability;
  	}
docs: /*
  Helpers