public double predictQuantile(double percentage){
  updateMeanAndVariance();
  return m_Mean + Statistics.normalInverse(percentage) * Math.sqrt(m_Variance);
}

public double predictQuantile ( double percentage ) { updateMeanAndVariance ( ) ; return m_Mean + Statistics . normalInverse ( percentage ) * Math . sqrt ( m_Variance ) ; }
returns the quantile for the given percentage .
