A statistics student constructs a 95% confidence interval. This is for mean of a variable of interest he got from a sample of values that have a hypothesized mean (. Choose the correct statement from the following

There is 5% probability that the population mean lies outside the interval.

We are 95% sure that the sample mean lies within the interval.

We are 95% sure that the population mean equals the sample mean.

We are 95% sure that ( equals the sample mean.