What Is a Level 0.90 Confidence Interval

Multiple Choice

What is a level 0.90 confidence interval?

A) Any interval with margin of error ± 0.90
B) An interval computed from sample data with a method that produces an interval containing the true value of the parameter of interest with a probability of 0.90
C) An interval with margin of error ± 0.90, which is also correct 90% of the time
D) An interval computed from sample data by a method guaranteeing that the probability the interval computed contains the parameter of interest is 0.90