An incidence rate with a 95% confidence interval is displayed in each graph. What is a 95% confidence interval in statistics?

Which of these are correct?

You are confident that 95 out of 100 times the estimate will fall between the upper and lower values specified by the confidence interval.

You can be 95% certain the range contains the true mean of a population.

Establishes the constancy and validity of the study.

You can be 95% certain the range contains the true mean of the sample.