What is the meaning of the phrase "95% confidence" for a confidence interval?

What is the meaning of the phrase "95% confidence" for a confidence interval? 


a) the confidence interval was obtained using a method that captures the parameter in 95% of repeated samples
b) for the single confidence interval we obtained, 95% of the time, the parameter lies inside that interval, and the other 5% of the time, the parameter lies outside that interval
c) 95% of the sampled data values lie inside the confidence interval
d) we are 95% confident that our numerical calculations were correct


Answer: a) the confidence interval was obtained using a method that captures the parameter in 95% of repeated samples


Learn More :