Which of the Following Statements Are Not True in Developing $\mu$

Multiple Choice

Which of the following statements are not true in developing a confidence interval for the population mean $\mu$

A) The width of the confidence interval becomes narrower when the sample mean increases.
B) The width of the confidence interval becomes wider when the sample mean increases.
C) The width of the confidence interval becomes narrower when the sample size n increases.
D) All of the above statements are true.
E) None of the above statements are true.