Analysis of a Random Sample of 250 Illinois Nurses Produced $\mu$

Analysis of a random sample of 250 Illinois nurses produced a 95% confidence interval for the mean annual salary of $42,846 < $\mu$ (Nurse Salary) < $49,686

A) About 95% of the nurses surveyed earn between $42,846 and $49,686.
B) If we took many random samples of Illinois nurses, about 95% of them would produce this confidence interval.
C) We are 95% confident that the interval from $42,846 to $49,686 contains the true mean of all Illinois nurses.
D) About 95% of Illinois nurses earn between $42,846 and $49,686.
E) We are 95% confident that the average nurse salary in the U.S.is between $42,846 and $49,686.