Which of the following is a correct explanation of what a confidence interval is? Choose the correct answer below.
A. A confidence interval indicates how far off we're willing to be from the population mean with a certain level of confidence.
B. A confidence interval gives a range of possible values for the mean of those in the sample with a certain level of confidence. C. A confidence interval is a range of values used to estimate the true value of a population parameter. The confidence level is the probability the interval actually contains the population parameter, assuming that the estimation process is repeated a large number of times.
D. A confidence interval gives two values (called the lower bound and upper bound) that the population mean could be with a certain level of confidence
E. A confidence interval gives an exact value for the population mean with a certain level of confidence.
