What is meant by the 95% confidence interval of the mean? Approximately 95% of the population data falls in this interval. O There are 95% of sample means in this interval that exactly predict the population mean. O It is an interval which is 95% certain to contain the actual sample mean. O It is an interval which is 95% certain to contain the actual population mean.. O Approximately 95% of the population means fall in this interval. O none of the above