You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "mean_confidence_interval", "description": "Calculates the confidence interval for a sample mean.", "parameters": {"std_dev": {"description": "The standard deviation of the sample.", "type": "float", "default": 0.95}, "sample_size": {"description": "The size of the sample.", "type": "int", "default": 0.95}, "mean": {"description": "The mean of the sample.", "type": "float"}, "confidence": {"description": "The desired confidence level. Default is 0.95.", "type": "float, optional"}}}]
Calculate the confidence interval for a sample with a standard deviation of 3.5, a mean of 12, and a sample size of 80. What would be the confidence interval for the same sample but with a confidence level of 0.99?
user
assistant
[{"name": "mean_confidence_interval", "arguments": {"std_dev": 3.5, "sample_size": 80, "mean": 12}}, {"name": "mean_confidence_interval", "arguments": {"std_dev": 3.5, "sample_size": 80, "mean": 12, "confidence": 0.99}}]