code: def confidence_interval_continuous(
          point_estimate, stddev, sample_size, confidence=.95, **kwargs
  ):
      
      alpha = ppf((confidence + 1) / 2, sample_size - 1)
  
      margin = stddev / sqrt(sample_size)
      return (point_estimate - alpha * margin, point_estimate + alpha * margin)
docs: Continuous confidence interval from sample size and standard error