Consider a Normally Distributed Population

Multiple Choice

Consider a normally distributed population.The width of a confidence interval for the population mean will be

A) smaller for a 98% confidence than for 90% confidence.
B) larger for a sample size of 64 than for a sample size of 36.
C) larger for a 99% confidence than for 95% confidence.
D) smaller for sample size of 25 than for a sample size of 36.
E) larger for a standard deviation of 25 units than for a standard deviation of 50 units.