A 99% Confidence Interval for the Population Mean $\mu$ Is Determined to Be (65

Multiple Choice

A 99% confidence interval for the population mean $\mu$ is determined to be (65.32 to 73.54) . If the confidence level is reduced to 90%, the 90% confidence interval for $\mu$

A) becomes wider
B) becomes narrower
C) remains unchanged
D) None of the above answers are correct.