Which Is True About a 90% Confidence Interval Based on a Given

Multiple Choice

Which is true about a 90% confidence interval based on a given sample? I. The interval contains 90% of the population.
II) Results from 90% of all samples will lie in this interval.
III) The interval is smaller than a 95% confidence interval would be.

A) None
B) I only
C) II only
D) III only
E) I and III